./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:28,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:28,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:08:28,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:28,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:28,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:28,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:28,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:28,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:28,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:28,297 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:28,298 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:28,298 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:28,299 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:28,300 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:28,301 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:28,301 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:28,302 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:28,303 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:28,304 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:28,304 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:28,305 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:28,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:28,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:28,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:28,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:28,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:28,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:28,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:28,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:28,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:28,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:08:28,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:08:28,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:28,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:28,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:28,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:28,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:28,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:28,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:28,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:28,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:28,318 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:28,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:28,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:28,319 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:28,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:28,319 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 [2023-11-12 00:08:28,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:28,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:28,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:28,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:28,664 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:28,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-12 00:08:31,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:32,102 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:32,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-12 00:08:32,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/data/f53b66664/e46fe5bdba204b26bf565af129629f9e/FLAGbc7864189 [2023-11-12 00:08:32,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/data/f53b66664/e46fe5bdba204b26bf565af129629f9e [2023-11-12 00:08:32,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:32,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:32,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:32,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:32,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:32,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:32" (1/1) ... [2023-11-12 00:08:32,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403f1c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:32, skipping insertion in model container [2023-11-12 00:08:32,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:32" (1/1) ... [2023-11-12 00:08:32,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:32,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:32,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:32,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:33,012 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:33,012 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:33,021 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:33,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33 WrapperNode [2023-11-12 00:08:33,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:33,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:33,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:33,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:33,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,132 INFO L138 Inliner]: procedures = 177, calls = 68, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 166 [2023-11-12 00:08:33,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:33,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:33,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:33,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:33,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:33,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:33,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:33,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:33,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:33,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:33,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:33,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:08:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:08:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:08:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:08:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-12 00:08:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-12 00:08:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-12 00:08:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-12 00:08:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-12 00:08:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-12 00:08:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-12 00:08:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-12 00:08:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:08:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:33,341 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:08:33,603 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:33,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:34,113 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:34,294 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:34,294 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:08:34,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:34 BoogieIcfgContainer [2023-11-12 00:08:34,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:34,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:34,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:34,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:34,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:32" (1/3) ... [2023-11-12 00:08:34,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc1d4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:34, skipping insertion in model container [2023-11-12 00:08:34,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (2/3) ... [2023-11-12 00:08:34,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc1d4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:34, skipping insertion in model container [2023-11-12 00:08:34,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:34" (3/3) ... [2023-11-12 00:08:34,310 INFO L112 eAbstractionObserver]: Analyzing ICFG mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-12 00:08:34,321 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:08:34,334 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:34,334 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-12 00:08:34,334 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:08:34,429 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 00:08:34,486 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:08:34,517 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 139 transitions, 294 flow [2023-11-12 00:08:34,520 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 139 transitions, 294 flow [2023-11-12 00:08:34,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 139 transitions, 294 flow [2023-11-12 00:08:34,641 INFO L124 PetriNetUnfolderBase]: 3/135 cut-off events. [2023-11-12 00:08:34,641 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 00:08:34,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 135 events. 3/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 99 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2023-11-12 00:08:34,655 INFO L119 LiptonReduction]: Number of co-enabled transitions 4204 [2023-11-12 00:08:42,183 INFO L134 LiptonReduction]: Checked pairs total: 14034 [2023-11-12 00:08:42,184 INFO L136 LiptonReduction]: Total number of compositions: 120 [2023-11-12 00:08:42,193 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 38 transitions, 92 flow [2023-11-12 00:08:42,718 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7642 states, 7562 states have (on average 4.348585030415234) internal successors, (32884), 7641 states have internal predecessors, (32884), 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) [2023-11-12 00:08:42,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:42,761 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1bd4e72f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:42,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-12 00:08:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 7642 states, 7562 states have (on average 4.348585030415234) internal successors, (32884), 7641 states have internal predecessors, (32884), 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) [2023-11-12 00:08:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:08:42,812 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:42,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-12 00:08:42,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 00:08:42,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:42,833 INFO L85 PathProgramCache]: Analyzing trace with hash 18602074, now seen corresponding path program 1 times [2023-11-12 00:08:42,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:42,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362825105] [2023-11-12 00:08:42,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:42,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:08:43,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:43,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362825105] [2023-11-12 00:08:43,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362825105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:43,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:43,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 00:08:43,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226798221] [2023-11-12 00:08:43,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:43,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:08:43,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:43,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:08:43,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:08:43,272 INFO L87 Difference]: Start difference. First operand has 7642 states, 7562 states have (on average 4.348585030415234) internal successors, (32884), 7641 states have internal predecessors, (32884), 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 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-12 00:08:43,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:43,488 INFO L93 Difference]: Finished difference Result 3922 states and 13581 transitions. [2023-11-12 00:08:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:08:43,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2023-11-12 00:08:43,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:43,553 INFO L225 Difference]: With dead ends: 3922 [2023-11-12 00:08:43,553 INFO L226 Difference]: Without dead ends: 3922 [2023-11-12 00:08:43,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:08:43,558 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:43,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 8 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:08:43,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3922 states. [2023-11-12 00:08:43,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3922 to 3922. [2023-11-12 00:08:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3922 states, 3858 states have (on average 3.520217729393468) internal successors, (13581), 3921 states have internal predecessors, (13581), 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) [2023-11-12 00:08:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3922 states to 3922 states and 13581 transitions. [2023-11-12 00:08:43,923 INFO L78 Accepts]: Start accepts. Automaton has 3922 states and 13581 transitions. Word has length 4 [2023-11-12 00:08:43,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:43,923 INFO L495 AbstractCegarLoop]: Abstraction has 3922 states and 13581 transitions. [2023-11-12 00:08:43,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-12 00:08:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3922 states and 13581 transitions. [2023-11-12 00:08:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:08:43,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:43,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:43,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:08:43,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 00:08:43,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:43,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1517746298, now seen corresponding path program 1 times [2023-11-12 00:08:43,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:43,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981199855] [2023-11-12 00:08:43,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:43,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:08:44,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:44,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981199855] [2023-11-12 00:08:44,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981199855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:44,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:44,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:08:44,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461754] [2023-11-12 00:08:44,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:44,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:08:44,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:44,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:08:44,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:08:44,191 INFO L87 Difference]: Start difference. First operand 3922 states and 13581 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-12 00:08:44,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:44,360 INFO L93 Difference]: Finished difference Result 2398 states and 8199 transitions. [2023-11-12 00:08:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:08:44,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-11-12 00:08:44,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:44,387 INFO L225 Difference]: With dead ends: 2398 [2023-11-12 00:08:44,387 INFO L226 Difference]: Without dead ends: 2398 [2023-11-12 00:08:44,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:08:44,389 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 34 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:44,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 16 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:08:44,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2023-11-12 00:08:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 2398. [2023-11-12 00:08:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 2384 states have (on average 3.439177852348993) internal successors, (8199), 2397 states have internal predecessors, (8199), 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) [2023-11-12 00:08:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 8199 transitions. [2023-11-12 00:08:44,502 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 8199 transitions. Word has length 9 [2023-11-12 00:08:44,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:44,502 INFO L495 AbstractCegarLoop]: Abstraction has 2398 states and 8199 transitions. [2023-11-12 00:08:44,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-12 00:08:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 8199 transitions. [2023-11-12 00:08:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:08:44,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:44,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:44,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:08:44,505 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 00:08:44,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:44,506 INFO L85 PathProgramCache]: Analyzing trace with hash 194503241, now seen corresponding path program 1 times [2023-11-12 00:08:44,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:44,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745584977] [2023-11-12 00:08:44,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:44,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:08:44,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:44,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745584977] [2023-11-12 00:08:44,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745584977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:44,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:44,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:08:44,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967591408] [2023-11-12 00:08:44,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:44,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:08:44,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:44,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:08:44,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:08:44,609 INFO L87 Difference]: Start difference. First operand 2398 states and 8199 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-12 00:08:44,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:44,731 INFO L93 Difference]: Finished difference Result 1076 states and 3157 transitions. [2023-11-12 00:08:44,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:08:44,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2023-11-12 00:08:44,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:44,740 INFO L225 Difference]: With dead ends: 1076 [2023-11-12 00:08:44,741 INFO L226 Difference]: Without dead ends: 1076 [2023-11-12 00:08:44,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:08:44,742 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 36 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:44,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 12 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:08:44,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2023-11-12 00:08:44,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2023-11-12 00:08:44,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1066 states have (on average 2.9615384615384617) internal successors, (3157), 1075 states have internal predecessors, (3157), 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) [2023-11-12 00:08:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 3157 transitions. [2023-11-12 00:08:44,833 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 3157 transitions. Word has length 10 [2023-11-12 00:08:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:44,833 INFO L495 AbstractCegarLoop]: Abstraction has 1076 states and 3157 transitions. [2023-11-12 00:08:44,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-12 00:08:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 3157 transitions. [2023-11-12 00:08:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:08:44,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:44,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:44,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:08:44,843 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 00:08:44,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:44,844 INFO L85 PathProgramCache]: Analyzing trace with hash 140951467, now seen corresponding path program 1 times [2023-11-12 00:08:44,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:44,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404043769] [2023-11-12 00:08:44,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:44,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:08:45,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:45,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404043769] [2023-11-12 00:08:45,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404043769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:45,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:45,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:08:45,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806479978] [2023-11-12 00:08:45,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:45,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:08:45,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:45,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:08:45,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:45,029 INFO L87 Difference]: Start difference. First operand 1076 states and 3157 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-11-12 00:08:45,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:45,189 INFO L93 Difference]: Finished difference Result 659 states and 1960 transitions. [2023-11-12 00:08:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:08:45,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2023-11-12 00:08:45,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:45,195 INFO L225 Difference]: With dead ends: 659 [2023-11-12 00:08:45,195 INFO L226 Difference]: Without dead ends: 659 [2023-11-12 00:08:45,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:45,197 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 42 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:45,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 16 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:08:45,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2023-11-12 00:08:45,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2023-11-12 00:08:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 655 states have (on average 2.9923664122137406) internal successors, (1960), 658 states have internal predecessors, (1960), 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) [2023-11-12 00:08:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 1960 transitions. [2023-11-12 00:08:45,226 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 1960 transitions. Word has length 16 [2023-11-12 00:08:45,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:45,227 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 1960 transitions. [2023-11-12 00:08:45,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-11-12 00:08:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1960 transitions. [2023-11-12 00:08:45,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:08:45,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:45,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:45,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:08:45,231 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 00:08:45,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:45,232 INFO L85 PathProgramCache]: Analyzing trace with hash 659284736, now seen corresponding path program 1 times [2023-11-12 00:08:45,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:45,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955273926] [2023-11-12 00:08:45,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:45,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:08:45,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:45,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955273926] [2023-11-12 00:08:45,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955273926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:45,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:45,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:08:45,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628931528] [2023-11-12 00:08:45,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:45,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:08:45,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:45,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:08:45,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:08:45,442 INFO L87 Difference]: Start difference. First operand 659 states and 1960 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2023-11-12 00:08:45,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:45,579 INFO L93 Difference]: Finished difference Result 601 states and 1860 transitions. [2023-11-12 00:08:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:08:45,580 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2023-11-12 00:08:45,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:45,580 INFO L225 Difference]: With dead ends: 601 [2023-11-12 00:08:45,580 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:08:45,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:08:45,583 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 76 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:45,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 16 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:08:45,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:08:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:08:45,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-12 00:08:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:08:45,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-11-12 00:08:45,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:45,586 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:08:45,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2023-11-12 00:08:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:08:45,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:08:45,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-12 00:08:45,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-12 00:08:45,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-12 00:08:45,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-12 00:08:45,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-12 00:08:45,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-12 00:08:45,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-12 00:08:45,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-12 00:08:45,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-12 00:08:45,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-12 00:08:45,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-12 00:08:45,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-12 00:08:45,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-12 00:08:45,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-12 00:08:45,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-12 00:08:45,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-12 00:08:45,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-12 00:08:45,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-12 00:08:45,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-12 00:08:45,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-12 00:08:45,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:08:45,608 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 00:08:45,613 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 00:08:45,614 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:08:45,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:45 BasicIcfg [2023-11-12 00:08:45,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:45,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:45,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:45,618 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:45,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:34" (3/4) ... [2023-11-12 00:08:45,621 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:08:45,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-12 00:08:45,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-12 00:08:45,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-12 00:08:45,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-11-12 00:08:45,634 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-12 00:08:45,634 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-12 00:08:45,634 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:08:45,635 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:08:45,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:08:45,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:08:45,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:45,781 INFO L158 Benchmark]: Toolchain (without parser) took 13628.81ms. Allocated memory was 130.0MB in the beginning and 308.3MB in the end (delta: 178.3MB). Free memory was 83.8MB in the beginning and 218.8MB in the end (delta: -135.0MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. [2023-11-12 00:08:45,781 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:45,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.12ms. Allocated memory is still 130.0MB. Free memory was 83.3MB in the beginning and 60.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:45,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.66ms. Allocated memory is still 130.0MB. Free memory was 60.2MB in the beginning and 57.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:08:45,782 INFO L158 Benchmark]: Boogie Preprocessor took 64.28ms. Allocated memory is still 130.0MB. Free memory was 57.1MB in the beginning and 55.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:45,786 INFO L158 Benchmark]: RCFGBuilder took 1098.90ms. Allocated memory was 130.0MB in the beginning and 205.5MB in the end (delta: 75.5MB). Free memory was 55.0MB in the beginning and 143.1MB in the end (delta: -88.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-12 00:08:45,787 INFO L158 Benchmark]: TraceAbstraction took 11317.65ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 143.1MB in the beginning and 83.1MB in the end (delta: 60.0MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. [2023-11-12 00:08:45,787 INFO L158 Benchmark]: Witness Printer took 162.08ms. Allocated memory was 247.5MB in the beginning and 308.3MB in the end (delta: 60.8MB). Free memory was 83.1MB in the beginning and 218.8MB in the end (delta: -135.6MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-12 00:08:45,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.12ms. Allocated memory is still 130.0MB. Free memory was 83.3MB in the beginning and 60.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.66ms. Allocated memory is still 130.0MB. Free memory was 60.2MB in the beginning and 57.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.28ms. Allocated memory is still 130.0MB. Free memory was 57.1MB in the beginning and 55.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1098.90ms. Allocated memory was 130.0MB in the beginning and 205.5MB in the end (delta: 75.5MB). Free memory was 55.0MB in the beginning and 143.1MB in the end (delta: -88.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11317.65ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 143.1MB in the beginning and 83.1MB in the end (delta: 60.0MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. * Witness Printer took 162.08ms. Allocated memory was 247.5MB in the beginning and 308.3MB in the end (delta: 60.8MB). Free memory was 83.1MB in the beginning and 218.8MB in the end (delta: -135.6MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7s, 149 PlacesBefore, 50 PlacesAfterwards, 139 TransitionsBefore, 38 TransitionsAfterwards, 4204 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 2 ChoiceCompositions, 120 TotalNumberOfCompositions, 14034 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6434, independent: 6125, independent conditional: 0, independent unconditional: 6125, dependent: 309, dependent conditional: 0, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3101, independent: 3012, independent conditional: 0, independent unconditional: 3012, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3101, independent: 2926, independent conditional: 0, independent unconditional: 2926, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 86, independent conditional: 0, independent unconditional: 86, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1018, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 791, dependent conditional: 0, dependent unconditional: 791, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6434, independent: 3113, independent conditional: 0, independent unconditional: 3113, dependent: 220, dependent conditional: 0, dependent unconditional: 220, unknown: 3101, unknown conditional: 0, unknown unconditional: 3101] , Statistics on independence cache: Total cache size (in pairs): 367, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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 - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: 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 9 procedures, 179 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 341 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 24 mSDtfsCounter, 341 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7642occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 00:08:45,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e3ba7-ecf8-40a5-a4a9-9654df8ccb2f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE