./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a 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_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:21:03,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:21:03,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-02 11:21:03,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:21:03,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:21:03,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:21:03,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:21:03,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:21:03,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:21:03,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:21:03,380 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:21:03,380 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:21:03,380 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:21:03,381 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:21:03,381 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:21:03,381 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:21:03,382 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:21:03,382 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:21:03,383 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:21:03,383 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:21:03,383 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:21:03,384 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:21:03,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 11:21:03,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 11:21:03,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:21:03,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:21:03,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:21:03,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:21:03,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:21:03,387 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 11:21:03,387 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 11:21:03,388 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 11:21:03,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:21:03,388 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:21:03,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:21:03,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 11:21:03,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:21:03,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:21:03,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:21:03,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:21:03,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:21:03,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:21:03,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:21:03,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:21:03,392 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:21:03,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:21:03,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:21:03,393 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:21:03,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:21:03,393 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_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd [2024-11-02 11:21:03,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:21:03,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:21:03,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:21:03,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:21:03,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:21:03,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i Unable to find full path for "g++" [2024-11-02 11:21:05,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:21:05,904 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:21:05,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2024-11-02 11:21:05,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/data/8ea5ab5db/b4b37670d3ce4bd48ed3f07908faa76c/FLAG91725061d [2024-11-02 11:21:06,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/data/8ea5ab5db/b4b37670d3ce4bd48ed3f07908faa76c [2024-11-02 11:21:06,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:21:06,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:21:06,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:21:06,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:21:06,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:21:06,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:21:06" (1/1) ... [2024-11-02 11:21:06,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9f7fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:06, skipping insertion in model container [2024-11-02 11:21:06,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:21:06" (1/1) ... [2024-11-02 11:21:06,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:21:06,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:21:06,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:21:06,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:21:07,005 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:21:07,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07 WrapperNode [2024-11-02 11:21:07,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:21:07,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:21:07,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:21:07,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:21:07,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,095 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 171 [2024-11-02 11:21:07,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:21:07,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:21:07,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:21:07,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:21:07,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:21:07,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:21:07,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:21:07,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:21:07,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (1/1) ... [2024-11-02 11:21:07,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:21:07,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:21:07,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:21:07,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:21:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 11:21:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:21:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-02 11:21:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-02 11:21:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-02 11:21:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-02 11:21:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:21:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 11:21:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:21:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:21:07,256 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 11:21:07,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:21:07,441 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:21:07,933 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 11:21:07,933 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:21:08,349 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:21:08,349 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:21:08,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:08 BoogieIcfgContainer [2024-11-02 11:21:08,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:21:08,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:21:08,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:21:08,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:21:08,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:21:06" (1/3) ... [2024-11-02 11:21:08,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d18bd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:21:08, skipping insertion in model container [2024-11-02 11:21:08,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:07" (2/3) ... [2024-11-02 11:21:08,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d18bd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:21:08, skipping insertion in model container [2024-11-02 11:21:08,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:08" (3/3) ... [2024-11-02 11:21:08,366 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2024-11-02 11:21:08,385 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:21:08,385 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-02 11:21:08,386 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 11:21:08,456 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-02 11:21:08,490 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 37 transitions, 82 flow [2024-11-02 11:21:08,616 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1024 states, 1019 states have (on average 2.819430814524043) internal successors, (2873), 1023 states have internal predecessors, (2873), 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) [2024-11-02 11:21:08,654 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:21:08,662 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=None, 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;@4f89f8ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:21:08,662 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-02 11:21:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 1024 states, 1019 states have (on average 2.819430814524043) internal successors, (2873), 1023 states have internal predecessors, (2873), 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) [2024-11-02 11:21:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-02 11:21:08,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:08,675 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:21:08,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-02 11:21:08,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:08,682 INFO L85 PathProgramCache]: Analyzing trace with hash -571450363, now seen corresponding path program 1 times [2024-11-02 11:21:08,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:08,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308179685] [2024-11-02 11:21:08,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:08,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:21:09,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:09,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308179685] [2024-11-02 11:21:09,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308179685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:09,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:09,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 11:21:09,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213803052] [2024-11-02 11:21:09,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:09,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:21:09,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:09,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:21:09,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:21:09,283 INFO L87 Difference]: Start difference. First operand has 1024 states, 1019 states have (on average 2.819430814524043) internal successors, (2873), 1023 states have internal predecessors, (2873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:21:09,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:09,509 INFO L93 Difference]: Finished difference Result 1234 states and 3410 transitions. [2024-11-02 11:21:09,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:21:09,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-02 11:21:09,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:09,535 INFO L225 Difference]: With dead ends: 1234 [2024-11-02 11:21:09,535 INFO L226 Difference]: Without dead ends: 835 [2024-11-02 11:21:09,540 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 [2024-11-02 11:21:09,544 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 16 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:21:09,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 22 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:21:09,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-02 11:21:09,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2024-11-02 11:21:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 833 states have (on average 2.657863145258103) internal successors, (2214), 834 states have internal predecessors, (2214), 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) [2024-11-02 11:21:09,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 2214 transitions. [2024-11-02 11:21:09,687 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 2214 transitions. Word has length 7 [2024-11-02 11:21:09,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:09,689 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 2214 transitions. [2024-11-02 11:21:09,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:21:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 2214 transitions. [2024-11-02 11:21:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 11:21:09,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:09,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:21:09,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:21:09,696 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-02 11:21:09,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:09,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1138514497, now seen corresponding path program 1 times [2024-11-02 11:21:09,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:09,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361915157] [2024-11-02 11:21:09,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:09,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:21:09,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:09,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361915157] [2024-11-02 11:21:09,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361915157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:09,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:09,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 11:21:09,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572347877] [2024-11-02 11:21:09,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:09,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:21:09,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:09,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:21:09,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:21:09,866 INFO L87 Difference]: Start difference. First operand 835 states and 2214 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-11-02 11:21:09,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:09,943 INFO L93 Difference]: Finished difference Result 835 states and 2214 transitions. [2024-11-02 11:21:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:21:09,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2024-11-02 11:21:09,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:09,950 INFO L225 Difference]: With dead ends: 835 [2024-11-02 11:21:09,950 INFO L226 Difference]: Without dead ends: 646 [2024-11-02 11:21:09,952 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 [2024-11-02 11:21:09,953 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:21:09,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 11 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:21:09,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-11-02 11:21:09,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2024-11-02 11:21:09,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 645 states have (on average 2.627906976744186) internal successors, (1695), 645 states have internal predecessors, (1695), 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) [2024-11-02 11:21:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1695 transitions. [2024-11-02 11:21:09,985 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1695 transitions. Word has length 13 [2024-11-02 11:21:09,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:09,986 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 1695 transitions. [2024-11-02 11:21:09,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-11-02 11:21:09,987 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1695 transitions. [2024-11-02 11:21:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 11:21:09,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:09,992 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:21:09,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 11:21:09,992 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-02 11:21:09,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:09,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1138513064, now seen corresponding path program 1 times [2024-11-02 11:21:09,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:09,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854066912] [2024-11-02 11:21:09,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:09,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:21:10,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:10,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854066912] [2024-11-02 11:21:10,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854066912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:10,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:10,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:21:10,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778469591] [2024-11-02 11:21:10,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:10,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:21:10,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:10,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:21:10,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:21:10,347 INFO L87 Difference]: Start difference. First operand 646 states and 1695 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-02 11:21:10,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:10,517 INFO L93 Difference]: Finished difference Result 870 states and 2211 transitions. [2024-11-02 11:21:10,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 11:21:10,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-02 11:21:10,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:10,522 INFO L225 Difference]: With dead ends: 870 [2024-11-02 11:21:10,523 INFO L226 Difference]: Without dead ends: 366 [2024-11-02 11:21:10,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:21:10,529 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 44 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:21:10,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 23 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:21:10,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-02 11:21:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2024-11-02 11:21:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.3424657534246576) internal successors, (855), 365 states have internal predecessors, (855), 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) [2024-11-02 11:21:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 855 transitions. [2024-11-02 11:21:10,545 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 855 transitions. Word has length 13 [2024-11-02 11:21:10,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:10,545 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 855 transitions. [2024-11-02 11:21:10,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-02 11:21:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 855 transitions. [2024-11-02 11:21:10,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-02 11:21:10,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:10,547 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:21:10,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 11:21:10,548 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-02 11:21:10,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash 288452551, now seen corresponding path program 1 times [2024-11-02 11:21:10,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:10,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052010860] [2024-11-02 11:21:10,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:10,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:21:10,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:10,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052010860] [2024-11-02 11:21:10,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052010860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:10,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:10,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 11:21:10,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223475938] [2024-11-02 11:21:10,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:10,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:21:10,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:10,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:21:10,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:21:10,876 INFO L87 Difference]: Start difference. First operand 366 states and 855 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-02 11:21:11,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:11,040 INFO L93 Difference]: Finished difference Result 398 states and 915 transitions. [2024-11-02 11:21:11,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:21:11,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2024-11-02 11:21:11,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:11,043 INFO L225 Difference]: With dead ends: 398 [2024-11-02 11:21:11,043 INFO L226 Difference]: Without dead ends: 174 [2024-11-02 11:21:11,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-02 11:21:11,045 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 64 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:21:11,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 16 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:21:11,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-02 11:21:11,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-02 11:21:11,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 2.167630057803468) internal successors, (375), 173 states have internal predecessors, (375), 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) [2024-11-02 11:21:11,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 375 transitions. [2024-11-02 11:21:11,058 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 375 transitions. Word has length 18 [2024-11-02 11:21:11,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:11,058 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 375 transitions. [2024-11-02 11:21:11,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-02 11:21:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 375 transitions. [2024-11-02 11:21:11,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-02 11:21:11,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:11,060 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, 1] [2024-11-02 11:21:11,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 11:21:11,060 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-02 11:21:11,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:11,061 INFO L85 PathProgramCache]: Analyzing trace with hash -214816176, now seen corresponding path program 1 times [2024-11-02 11:21:11,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:11,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011546839] [2024-11-02 11:21:11,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:11,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:21:17,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:17,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011546839] [2024-11-02 11:21:17,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011546839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:17,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:17,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-02 11:21:17,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387850810] [2024-11-02 11:21:17,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:17,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-02 11:21:17,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:17,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-02 11:21:17,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-02 11:21:17,746 INFO L87 Difference]: Start difference. First operand 174 states and 375 transitions. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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) [2024-11-02 11:21:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:18,898 INFO L93 Difference]: Finished difference Result 322 states and 683 transitions. [2024-11-02 11:21:18,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-02 11:21:18,899 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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 25 [2024-11-02 11:21:18,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:18,902 INFO L225 Difference]: With dead ends: 322 [2024-11-02 11:21:18,902 INFO L226 Difference]: Without dead ends: 170 [2024-11-02 11:21:18,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2024-11-02 11:21:18,906 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 94 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-02 11:21:18,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 129 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-02 11:21:18,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-02 11:21:18,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 158. [2024-11-02 11:21:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 2.127388535031847) internal successors, (334), 157 states have internal predecessors, (334), 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) [2024-11-02 11:21:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 334 transitions. [2024-11-02 11:21:18,915 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 334 transitions. Word has length 25 [2024-11-02 11:21:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:18,916 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 334 transitions. [2024-11-02 11:21:18,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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) [2024-11-02 11:21:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 334 transitions. [2024-11-02 11:21:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-02 11:21:18,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:18,917 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, 1] [2024-11-02 11:21:18,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-02 11:21:18,918 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-02 11:21:18,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:18,919 INFO L85 PathProgramCache]: Analyzing trace with hash -436723888, now seen corresponding path program 2 times [2024-11-02 11:21:18,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:18,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739191002] [2024-11-02 11:21:18,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:18,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:21:23,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:23,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739191002] [2024-11-02 11:21:23,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739191002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:23,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:23,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-02 11:21:23,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660592447] [2024-11-02 11:21:23,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:23,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-02 11:21:23,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:23,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-02 11:21:23,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-02 11:21:23,413 INFO L87 Difference]: Start difference. First operand 158 states and 334 transitions. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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) [2024-11-02 11:21:24,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:24,222 INFO L93 Difference]: Finished difference Result 236 states and 493 transitions. [2024-11-02 11:21:24,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-02 11:21:24,225 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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 25 [2024-11-02 11:21:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:24,226 INFO L225 Difference]: With dead ends: 236 [2024-11-02 11:21:24,227 INFO L226 Difference]: Without dead ends: 126 [2024-11-02 11:21:24,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-11-02 11:21:24,229 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 85 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-02 11:21:24,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 104 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-02 11:21:24,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-02 11:21:24,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-02 11:21:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 2.048) internal successors, (256), 125 states have internal predecessors, (256), 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) [2024-11-02 11:21:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 256 transitions. [2024-11-02 11:21:24,240 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 256 transitions. Word has length 25 [2024-11-02 11:21:24,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:24,240 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 256 transitions. [2024-11-02 11:21:24,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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) [2024-11-02 11:21:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 256 transitions. [2024-11-02 11:21:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-02 11:21:24,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:24,242 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, 1] [2024-11-02 11:21:24,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-02 11:21:24,242 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-02 11:21:24,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:24,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1439922452, now seen corresponding path program 3 times [2024-11-02 11:21:24,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:24,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753036] [2024-11-02 11:21:24,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:24,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:21:25,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:25,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753036] [2024-11-02 11:21:25,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:25,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:25,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 11:21:25,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679184423] [2024-11-02 11:21:25,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:25,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 11:21:25,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:25,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 11:21:25,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 11:21:25,206 INFO L87 Difference]: Start difference. First operand 126 states and 256 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-02 11:21:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:25,370 INFO L93 Difference]: Finished difference Result 126 states and 256 transitions. [2024-11-02 11:21:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 11:21:25,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2024-11-02 11:21:25,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:25,372 INFO L225 Difference]: With dead ends: 126 [2024-11-02 11:21:25,372 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 11:21:25,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-02 11:21:25,374 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 21 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:21:25,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 33 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:21:25,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 11:21:25,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 11:21:25,375 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) [2024-11-02 11:21:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 11:21:25,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2024-11-02 11:21:25,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:25,377 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 11:21:25,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-02 11:21:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 11:21:25,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 11:21:25,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-02 11:21:25,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-02 11:21:25,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-02 11:21:25,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-02 11:21:25,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-02 11:21:25,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-02 11:21:25,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-02 11:21:25,385 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-11-02 11:21:25,390 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 11:21:25,390 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:21:25,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:21:25 BasicIcfg [2024-11-02 11:21:25,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:21:25,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:21:25,394 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:21:25,394 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:21:25,395 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:08" (3/4) ... [2024-11-02 11:21:25,397 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 11:21:25,400 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-02 11:21:25,400 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-02 11:21:25,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2024-11-02 11:21:25,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-02 11:21:25,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-02 11:21:25,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-02 11:21:25,514 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 11:21:25,514 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 11:21:25,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:21:25,515 INFO L158 Benchmark]: Toolchain (without parser) took 19285.32ms. Allocated memory was 178.3MB in the beginning and 589.3MB in the end (delta: 411.0MB). Free memory was 139.1MB in the beginning and 461.3MB in the end (delta: -322.2MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2024-11-02 11:21:25,516 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 178.3MB. Free memory was 139.2MB in the beginning and 139.1MB in the end (delta: 16.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:21:25,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 775.00ms. Allocated memory is still 178.3MB. Free memory was 138.5MB in the beginning and 111.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 11:21:25,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.30ms. Allocated memory is still 178.3MB. Free memory was 111.3MB in the beginning and 107.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:21:25,517 INFO L158 Benchmark]: Boogie Preprocessor took 57.46ms. Allocated memory is still 178.3MB. Free memory was 107.7MB in the beginning and 105.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:21:25,517 INFO L158 Benchmark]: RCFGBuilder took 1194.94ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 105.0MB in the beginning and 171.0MB in the end (delta: -66.0MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-11-02 11:21:25,518 INFO L158 Benchmark]: TraceAbstraction took 17037.67ms. Allocated memory was 243.3MB in the beginning and 589.3MB in the end (delta: 346.0MB). Free memory was 169.9MB in the beginning and 466.6MB in the end (delta: -296.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-02 11:21:25,518 INFO L158 Benchmark]: Witness Printer took 120.83ms. Allocated memory is still 589.3MB. Free memory was 466.6MB in the beginning and 461.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 11:21:25,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 178.3MB. Free memory was 139.2MB in the beginning and 139.1MB in the end (delta: 16.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 775.00ms. Allocated memory is still 178.3MB. Free memory was 138.5MB in the beginning and 111.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.30ms. Allocated memory is still 178.3MB. Free memory was 111.3MB in the beginning and 107.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.46ms. Allocated memory is still 178.3MB. Free memory was 107.7MB in the beginning and 105.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1194.94ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 105.0MB in the beginning and 171.0MB in the end (delta: -66.0MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17037.67ms. Allocated memory was 243.3MB in the beginning and 589.3MB in the end (delta: 346.0MB). Free memory was 169.9MB in the beginning and 466.6MB in the end (delta: -296.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Witness Printer took 120.83ms. Allocated memory is still 589.3MB. Free memory was 466.6MB in the beginning and 461.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 824]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 55 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 341 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 341 mSDsluCounter, 338 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 260 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 701 IncrementalHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 78 mSDtfsCounter, 701 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1024occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 1265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-02 11:21:25,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b6967e-ea59-42e9-ad93-80a3cd9b5715/bin/utaipan-verify-DbMuA5NWw2/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