./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje --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 fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:32:44,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:32:44,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:32:44,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:32:44,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:32:44,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:32:44,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:32:44,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:32:44,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:32:44,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:32:44,907 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:32:44,907 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:32:44,908 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:32:44,908 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:32:44,909 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:32:44,909 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:32:44,910 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:32:44,910 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:32:44,911 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:32:44,911 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:32:44,912 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:32:44,913 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:32:44,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:32:44,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:32:44,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:32:44,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:32:44,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:32:44,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:32:44,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:32:44,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:32:44,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:32:44,918 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:32:44,918 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:32:44,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:32:44,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:32:44,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:32:44,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:32:44,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:32:44,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:32:44,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:32:44,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:32:44,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:32:44,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:32:44,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:32:44,927 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:32:44,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:32:44,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:32:44,928 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:32:44,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:32:44,928 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_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 [2024-11-09 05:32:45,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:32:45,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:32:45,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:32:45,280 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:32:45,280 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:32:45,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i Unable to find full path for "g++" [2024-11-09 05:32:47,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:32:47,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:32:47,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-09 05:32:47,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/data/37815eed7/d784d79cbe12403aa93ed999918b9a6e/FLAG8acac5016 [2024-11-09 05:32:47,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/data/37815eed7/d784d79cbe12403aa93ed999918b9a6e [2024-11-09 05:32:47,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:32:48,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:32:48,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:32:48,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:32:48,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:32:48,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:32:47" (1/1) ... [2024-11-09 05:32:48,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186a6bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48, skipping insertion in model container [2024-11-09 05:32:48,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:32:47" (1/1) ... [2024-11-09 05:32:48,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:32:48,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:32:48,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:32:48,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:32:48,909 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:32:48,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48 WrapperNode [2024-11-09 05:32:48,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:32:48,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:32:48,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:32:48,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:32:48,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:48,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:48,988 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-09 05:32:48,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:32:48,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:32:48,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:32:48,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:32:49,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:49,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:49,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:49,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:49,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:49,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:49,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:49,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:49,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:32:49,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:32:49,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:32:49,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:32:49,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (1/1) ... [2024-11-09 05:32:49,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:32:49,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:32:49,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:32:49,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:32:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 05:32:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:32:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 05:32:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 05:32:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 05:32:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 05:32:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 05:32:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 05:32:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:32:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 05:32:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:32:49,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:32:49,157 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 05:32:49,385 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:32:49,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:32:49,643 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:32:49,644 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:32:49,865 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:32:49,866 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:32:49,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:32:49 BoogieIcfgContainer [2024-11-09 05:32:49,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:32:49,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:32:49,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:32:49,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:32:49,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:32:47" (1/3) ... [2024-11-09 05:32:49,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575fd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:32:49, skipping insertion in model container [2024-11-09 05:32:49,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:48" (2/3) ... [2024-11-09 05:32:49,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575fd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:32:49, skipping insertion in model container [2024-11-09 05:32:49,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:32:49" (3/3) ... [2024-11-09 05:32:49,885 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-09 05:32:49,907 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:32:49,907 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 05:32:49,908 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:32:49,970 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 05:32:50,020 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 42 transitions, 96 flow [2024-11-09 05:32:50,727 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7166 states, 7140 states have (on average 3.541176470588235) internal successors, (25284), 7165 states have internal predecessors, (25284), 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) [2024-11-09 05:32:50,770 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:32:50,780 INFO L333 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, 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;@2a7a096, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:32:50,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-09 05:32:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 7166 states, 7140 states have (on average 3.541176470588235) internal successors, (25284), 7165 states have internal predecessors, (25284), 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) [2024-11-09 05:32:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:32:50,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:32:50,833 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:32:50,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:32:50,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:32:50,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1980548937, now seen corresponding path program 1 times [2024-11-09 05:32:50,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:32:50,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850279381] [2024-11-09 05:32:50,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:32:50,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:32:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:32:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:32:51,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:32:51,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850279381] [2024-11-09 05:32:51,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850279381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:32:51,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:32:51,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:32:51,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331539912] [2024-11-09 05:32:51,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:32:51,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:32:51,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:32:51,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:32:51,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:32:51,392 INFO L87 Difference]: Start difference. First operand has 7166 states, 7140 states have (on average 3.541176470588235) internal successors, (25284), 7165 states have internal predecessors, (25284), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-09 05:32:51,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:32:51,777 INFO L93 Difference]: Finished difference Result 8526 states and 28560 transitions. [2024-11-09 05:32:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:32:51,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-11-09 05:32:51,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:32:51,885 INFO L225 Difference]: With dead ends: 8526 [2024-11-09 05:32:51,885 INFO L226 Difference]: Without dead ends: 5034 [2024-11-09 05:32:51,909 INFO L431 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 [2024-11-09 05:32:51,916 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 20 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:32:51,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 34 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:32:51,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5034 states. [2024-11-09 05:32:52,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5034 to 5034. [2024-11-09 05:32:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5034 states, 5016 states have (on average 3.412280701754386) internal successors, (17116), 5033 states have internal predecessors, (17116), 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) [2024-11-09 05:32:52,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5034 states to 5034 states and 17116 transitions. [2024-11-09 05:32:52,389 INFO L78 Accepts]: Start accepts. Automaton has 5034 states and 17116 transitions. Word has length 8 [2024-11-09 05:32:52,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:32:52,389 INFO L471 AbstractCegarLoop]: Abstraction has 5034 states and 17116 transitions. [2024-11-09 05:32:52,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-09 05:32:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 5034 states and 17116 transitions. [2024-11-09 05:32:52,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:32:52,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:32:52,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:32:52,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:32:52,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:32:52,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:32:52,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1075207411, now seen corresponding path program 1 times [2024-11-09 05:32:52,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:32:52,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465668787] [2024-11-09 05:32:52,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:32:52,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:32:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:32:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:32:52,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:32:52,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465668787] [2024-11-09 05:32:52,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465668787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:32:52,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:32:52,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:32:52,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714774448] [2024-11-09 05:32:52,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:32:52,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:32:52,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:32:52,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:32:52,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:32:52,669 INFO L87 Difference]: Start difference. First operand 5034 states and 17116 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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) [2024-11-09 05:32:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:32:52,881 INFO L93 Difference]: Finished difference Result 5034 states and 17116 transitions. [2024-11-09 05:32:52,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:32:52,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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 [2024-11-09 05:32:52,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:32:52,933 INFO L225 Difference]: With dead ends: 5034 [2024-11-09 05:32:52,933 INFO L226 Difference]: Without dead ends: 4312 [2024-11-09 05:32:52,941 INFO L431 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 [2024-11-09 05:32:52,943 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 44 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:32:52,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 68 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:32:52,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2024-11-09 05:32:53,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 4312. [2024-11-09 05:32:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4312 states, 4306 states have (on average 3.4233627496516488) internal successors, (14741), 4311 states have internal predecessors, (14741), 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) [2024-11-09 05:32:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 14741 transitions. [2024-11-09 05:32:53,216 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 14741 transitions. Word has length 16 [2024-11-09 05:32:53,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:32:53,219 INFO L471 AbstractCegarLoop]: Abstraction has 4312 states and 14741 transitions. [2024-11-09 05:32:53,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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) [2024-11-09 05:32:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 14741 transitions. [2024-11-09 05:32:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:32:53,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:32:53,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:32:53,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:32:53,226 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:32:53,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:32:53,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1075207412, now seen corresponding path program 1 times [2024-11-09 05:32:53,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:32:53,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399170428] [2024-11-09 05:32:53,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:32:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:32:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:32:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:32:53,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:32:53,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399170428] [2024-11-09 05:32:53,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399170428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:32:53,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:32:53,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:32:53,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631183669] [2024-11-09 05:32:53,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:32:53,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:32:53,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:32:53,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:32:53,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:32:53,366 INFO L87 Difference]: Start difference. First operand 4312 states and 14741 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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) [2024-11-09 05:32:53,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:32:53,620 INFO L93 Difference]: Finished difference Result 4396 states and 14897 transitions. [2024-11-09 05:32:53,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:32:53,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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 [2024-11-09 05:32:53,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:32:53,694 INFO L225 Difference]: With dead ends: 4396 [2024-11-09 05:32:53,695 INFO L226 Difference]: Without dead ends: 3758 [2024-11-09 05:32:53,701 INFO L431 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 [2024-11-09 05:32:53,702 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 41 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:32:53,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 51 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:32:53,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3758 states. [2024-11-09 05:32:53,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3758 to 3758. [2024-11-09 05:32:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3758 states, 3755 states have (on average 3.4322237017310253) internal successors, (12888), 3757 states have internal predecessors, (12888), 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) [2024-11-09 05:32:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3758 states and 12888 transitions. [2024-11-09 05:32:53,949 INFO L78 Accepts]: Start accepts. Automaton has 3758 states and 12888 transitions. Word has length 16 [2024-11-09 05:32:53,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:32:53,949 INFO L471 AbstractCegarLoop]: Abstraction has 3758 states and 12888 transitions. [2024-11-09 05:32:53,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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) [2024-11-09 05:32:53,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3758 states and 12888 transitions. [2024-11-09 05:32:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 05:32:53,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:32:53,971 INFO L215 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, 1, 1] [2024-11-09 05:32:53,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:32:53,973 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:32:53,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:32:53,975 INFO L85 PathProgramCache]: Analyzing trace with hash 184556619, now seen corresponding path program 1 times [2024-11-09 05:32:53,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:32:53,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722984633] [2024-11-09 05:32:53,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:32:53,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:32:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:32:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:32:54,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:32:54,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722984633] [2024-11-09 05:32:54,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722984633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:32:54,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:32:54,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:32:54,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435023991] [2024-11-09 05:32:54,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:32:54,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:32:54,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:32:54,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:32:54,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:32:54,166 INFO L87 Difference]: Start difference. First operand 3758 states and 12888 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-09 05:32:54,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:32:54,427 INFO L93 Difference]: Finished difference Result 3758 states and 12888 transitions. [2024-11-09 05:32:54,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:32:54,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2024-11-09 05:32:54,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:32:54,442 INFO L225 Difference]: With dead ends: 3758 [2024-11-09 05:32:54,443 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:32:54,450 INFO L431 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 [2024-11-09 05:32:54,451 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 82 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:32:54,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 51 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:32:54,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:32:54,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:32:54,454 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) [2024-11-09 05:32:54,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:32:54,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-11-09 05:32:54,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:32:54,463 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:32:54,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-09 05:32:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:32:54,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:32:54,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-09 05:32:54,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-09 05:32:54,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-09 05:32:54,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-09 05:32:54,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-09 05:32:54,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-09 05:32:54,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-09 05:32:54,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-09 05:32:54,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-09 05:32:54,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-09 05:32:54,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-09 05:32:54,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-09 05:32:54,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-09 05:32:54,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-09 05:32:54,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-09 05:32:54,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:32:54,480 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 05:32:54,486 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 05:32:54,487 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:32:54,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:32:54 BasicIcfg [2024-11-09 05:32:54,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:32:54,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:32:54,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:32:54,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:32:54,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:32:49" (3/4) ... [2024-11-09 05:32:54,498 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:32:54,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 05:32:54,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 05:32:54,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 05:32:54,510 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-09 05:32:54,511 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 05:32:54,511 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:32:54,511 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:32:54,630 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:32:54,631 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:32:54,631 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:32:54,632 INFO L158 Benchmark]: Toolchain (without parser) took 6634.06ms. Allocated memory was 151.0MB in the beginning and 341.8MB in the end (delta: 190.8MB). Free memory was 111.8MB in the beginning and 201.6MB in the end (delta: -89.9MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2024-11-09 05:32:54,632 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:32:54,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.52ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 88.7MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:32:54,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.27ms. Allocated memory is still 151.0MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:32:54,633 INFO L158 Benchmark]: Boogie Preprocessor took 48.40ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 85.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:32:54,634 INFO L158 Benchmark]: RCFGBuilder took 826.55ms. Allocated memory is still 151.0MB. Free memory was 84.9MB in the beginning and 104.2MB in the end (delta: -19.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-09 05:32:54,635 INFO L158 Benchmark]: TraceAbstraction took 4620.57ms. Allocated memory was 151.0MB in the beginning and 341.8MB in the end (delta: 190.8MB). Free memory was 103.4MB in the beginning and 205.8MB in the end (delta: -102.4MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2024-11-09 05:32:54,635 INFO L158 Benchmark]: Witness Printer took 137.42ms. Allocated memory is still 341.8MB. Free memory was 205.8MB in the beginning and 201.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:32:54,637 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.52ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 88.7MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.27ms. Allocated memory is still 151.0MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.40ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 85.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.55ms. Allocated memory is still 151.0MB. Free memory was 84.9MB in the beginning and 104.2MB in the end (delta: -19.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4620.57ms. Allocated memory was 151.0MB in the beginning and 341.8MB in the end (delta: 190.8MB). Free memory was 103.4MB in the beginning and 205.8MB in the end (delta: -102.4MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. * Witness Printer took 137.42ms. Allocated memory is still 341.8MB. Free memory was 205.8MB in the beginning and 201.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 76 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 119 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 85 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7166occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 05:32:54,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1712e7-4ec3-4b05-ad7c-33bffe7fd871/bin/utaipan-verify-YMUCfTKeje/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