./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/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_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje --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 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:22:02,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:22:02,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-09 07:22:02,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:22:02,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:22:02,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:22:02,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:22:02,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:22:02,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:22:02,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:22:02,808 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:22:02,808 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:22:02,809 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:22:02,809 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:22:02,810 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:22:02,813 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:22:02,813 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:22:02,814 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:22:02,814 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:22:02,814 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:22:02,815 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:22:02,815 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:22:02,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:22:02,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:22:02,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:22:02,817 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:22:02,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:22:02,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:22:02,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:22:02,818 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 07:22:02,818 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 07:22:02,819 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 07:22:02,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:22:02,819 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:22:02,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:22:02,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:22:02,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:22:02,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:22:02,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:22:02,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:22:02,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:22:02,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:22:02,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:22:02,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:22:02,824 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:22:02,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:22:02,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:22:02,824 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:22:02,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:22:02,825 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_5481d32b-8046-4bf4-9b64-96441f94a9ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 [2024-11-09 07:22:03,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:22:03,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:22:03,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:22:03,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:22:03,172 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:22:03,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-wmm/safe025_power.i Unable to find full path for "g++" [2024-11-09 07:22:05,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:22:05,595 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:22:05,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/sv-benchmarks/c/pthread-wmm/safe025_power.i [2024-11-09 07:22:05,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/data/aa14acde5/f4909715026343f798bca3a02f053677/FLAG3a85ebc5c [2024-11-09 07:22:05,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/data/aa14acde5/f4909715026343f798bca3a02f053677 [2024-11-09 07:22:05,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:22:05,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:22:05,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:22:05,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:22:05,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:22:05,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:22:05" (1/1) ... [2024-11-09 07:22:05,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd07d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:05, skipping insertion in model container [2024-11-09 07:22:05,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:22:05" (1/1) ... [2024-11-09 07:22:05,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:22:06,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:22:06,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:22:06,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:22:06,499 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:22:06,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06 WrapperNode [2024-11-09 07:22:06,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:22:06,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:22:06,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:22:06,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:22:06,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,570 INFO L138 Inliner]: procedures = 175, calls = 75, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 225 [2024-11-09 07:22:06,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:22:06,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:22:06,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:22:06,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:22:06,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:22:06,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:22:06,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:22:06,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:22:06,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (1/1) ... [2024-11-09 07:22:06,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:22:06,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:22:06,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:22:06,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:22:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:22:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:22:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 07:22:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:22:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 07:22:06,732 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 07:22:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 07:22:06,732 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 07:22:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 07:22:06,732 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 07:22:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:22:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 07:22:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:22:06,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:22:06,738 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 07:22:06,951 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:22:06,954 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:22:07,888 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:22:07,888 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:22:09,206 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:22:09,206 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:22:09,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:22:09 BoogieIcfgContainer [2024-11-09 07:22:09,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:22:09,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:22:09,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:22:09,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:22:09,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:22:05" (1/3) ... [2024-11-09 07:22:09,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58684314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:22:09, skipping insertion in model container [2024-11-09 07:22:09,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:06" (2/3) ... [2024-11-09 07:22:09,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58684314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:22:09, skipping insertion in model container [2024-11-09 07:22:09,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:22:09" (3/3) ... [2024-11-09 07:22:09,221 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_power.i [2024-11-09 07:22:09,242 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:22:09,243 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-09 07:22:09,243 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:22:09,574 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 07:22:09,622 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 100 transitions, 212 flow [2024-11-09 07:22:19,110 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 232186 states, 192056 states have (on average 4.671069896280252) internal successors, (897107), 232185 states have internal predecessors, (897107), 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 07:22:19,153 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:22:19,161 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;@4ffc795, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:22:19,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 99 error locations. [2024-11-09 07:22:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 232186 states, 192056 states have (on average 4.671069896280252) internal successors, (897107), 232185 states have internal predecessors, (897107), 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 07:22:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 07:22:19,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:22:19,655 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 07:22:19,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 96 more)] === [2024-11-09 07:22:19,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:22:19,663 INFO L85 PathProgramCache]: Analyzing trace with hash 308317437, now seen corresponding path program 1 times [2024-11-09 07:22:19,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:22:19,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570285822] [2024-11-09 07:22:19,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:19,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:22:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:20,062 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 07:22:20,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:22:20,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570285822] [2024-11-09 07:22:20,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570285822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:22:20,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:22:20,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 07:22:20,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148068889] [2024-11-09 07:22:20,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:22:20,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:22:20,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:22:20,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:22:20,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:22:20,928 INFO L87 Difference]: Start difference. First operand has 232186 states, 192056 states have (on average 4.671069896280252) internal successors, (897107), 232185 states have internal predecessors, (897107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:22:25,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:22:25,494 INFO L93 Difference]: Finished difference Result 236110 states and 922909 transitions. [2024-11-09 07:22:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:22:25,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 07:22:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:22:26,212 INFO L225 Difference]: With dead ends: 236110 [2024-11-09 07:22:26,213 INFO L226 Difference]: Without dead ends: 18992 [2024-11-09 07:22:26,634 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 07:22:26,640 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:22:26,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 14 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:22:26,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18992 states. [2024-11-09 07:22:27,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18992 to 18992. [2024-11-09 07:22:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18992 states, 18673 states have (on average 3.695978150270444) internal successors, (69015), 18991 states have internal predecessors, (69015), 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 07:22:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18992 states to 18992 states and 69015 transitions. [2024-11-09 07:22:28,086 INFO L78 Accepts]: Start accepts. Automaton has 18992 states and 69015 transitions. Word has length 6 [2024-11-09 07:22:28,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:22:28,087 INFO L471 AbstractCegarLoop]: Abstraction has 18992 states and 69015 transitions. [2024-11-09 07:22:28,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:22:28,089 INFO L276 IsEmpty]: Start isEmpty. Operand 18992 states and 69015 transitions. [2024-11-09 07:22:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 07:22:28,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:22:28,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 07:22:28,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:22:28,092 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 96 more)] === [2024-11-09 07:22:28,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:22:28,093 INFO L85 PathProgramCache]: Analyzing trace with hash 308317438, now seen corresponding path program 1 times [2024-11-09 07:22:28,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:22:28,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681370508] [2024-11-09 07:22:28,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:28,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:22:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:28,371 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 07:22:28,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:22:28,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681370508] [2024-11-09 07:22:28,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681370508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:22:28,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:22:28,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 07:22:28,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030033675] [2024-11-09 07:22:28,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:22:28,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:22:28,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:22:28,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:22:28,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:22:28,376 INFO L87 Difference]: Start difference. First operand 18992 states and 69015 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:22:29,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:22:29,340 INFO L93 Difference]: Finished difference Result 18992 states and 69015 transitions. [2024-11-09 07:22:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:22:29,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 07:22:29,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:22:29,529 INFO L225 Difference]: With dead ends: 18992 [2024-11-09 07:22:29,529 INFO L226 Difference]: Without dead ends: 8002 [2024-11-09 07:22:29,563 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 07:22:29,566 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:22:29,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 15 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 07:22:29,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8002 states. [2024-11-09 07:22:29,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8002 to 8002. [2024-11-09 07:22:29,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8002 states, 7988 states have (on average 3.541562343515273) internal successors, (28290), 8001 states have internal predecessors, (28290), 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 07:22:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8002 states to 8002 states and 28290 transitions. [2024-11-09 07:22:30,033 INFO L78 Accepts]: Start accepts. Automaton has 8002 states and 28290 transitions. Word has length 6 [2024-11-09 07:22:30,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:22:30,035 INFO L471 AbstractCegarLoop]: Abstraction has 8002 states and 28290 transitions. [2024-11-09 07:22:30,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:22:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 8002 states and 28290 transitions. [2024-11-09 07:22:30,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 07:22:30,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:22:30,036 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 07:22:30,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:22:30,036 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 96 more)] === [2024-11-09 07:22:30,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:22:30,037 INFO L85 PathProgramCache]: Analyzing trace with hash 308287229, now seen corresponding path program 1 times [2024-11-09 07:22:30,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:22:30,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331361018] [2024-11-09 07:22:30,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:30,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:22:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:30,225 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 07:22:30,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:22:30,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331361018] [2024-11-09 07:22:30,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331361018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:22:30,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:22:30,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 07:22:30,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363345140] [2024-11-09 07:22:30,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:22:30,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:22:30,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:22:30,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:22:30,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:22:30,227 INFO L87 Difference]: Start difference. First operand 8002 states and 28290 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:22:30,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:22:30,516 INFO L93 Difference]: Finished difference Result 8002 states and 28290 transitions. [2024-11-09 07:22:30,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:22:30,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 07:22:30,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:22:30,678 INFO L225 Difference]: With dead ends: 8002 [2024-11-09 07:22:30,678 INFO L226 Difference]: Without dead ends: 7090 [2024-11-09 07:22:30,684 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 07:22:30,686 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 23 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:22:30,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 29 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:22:30,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7090 states. [2024-11-09 07:22:30,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7090 to 7090. [2024-11-09 07:22:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7090 states, 7081 states have (on average 3.524360965965259) internal successors, (24956), 7089 states have internal predecessors, (24956), 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 07:22:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7090 states to 7090 states and 24956 transitions. [2024-11-09 07:22:31,025 INFO L78 Accepts]: Start accepts. Automaton has 7090 states and 24956 transitions. Word has length 6 [2024-11-09 07:22:31,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:22:31,026 INFO L471 AbstractCegarLoop]: Abstraction has 7090 states and 24956 transitions. [2024-11-09 07:22:31,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:22:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 7090 states and 24956 transitions. [2024-11-09 07:22:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 07:22:31,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:22:31,027 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:22:31,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:22:31,028 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 96 more)] === [2024-11-09 07:22:31,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:22:31,028 INFO L85 PathProgramCache]: Analyzing trace with hash 966970760, now seen corresponding path program 1 times [2024-11-09 07:22:31,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:22:31,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354461472] [2024-11-09 07:22:31,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:31,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:22:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:22:31,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:22:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:22:31,092 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:22:31,093 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:22:31,094 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (98 of 99 remaining) [2024-11-09 07:22:31,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 99 remaining) [2024-11-09 07:22:31,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 99 remaining) [2024-11-09 07:22:31,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 99 remaining) [2024-11-09 07:22:31,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 99 remaining) [2024-11-09 07:22:31,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 99 remaining) [2024-11-09 07:22:31,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 99 remaining) [2024-11-09 07:22:31,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 99 remaining) [2024-11-09 07:22:31,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 99 remaining) [2024-11-09 07:22:31,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 99 remaining) [2024-11-09 07:22:31,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 99 remaining) [2024-11-09 07:22:31,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 99 remaining) [2024-11-09 07:22:31,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 99 remaining) [2024-11-09 07:22:31,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (85 of 99 remaining) [2024-11-09 07:22:31,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (84 of 99 remaining) [2024-11-09 07:22:31,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 99 remaining) [2024-11-09 07:22:31,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 99 remaining) [2024-11-09 07:22:31,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 99 remaining) [2024-11-09 07:22:31,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 99 remaining) [2024-11-09 07:22:31,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 99 remaining) [2024-11-09 07:22:31,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 99 remaining) [2024-11-09 07:22:31,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 99 remaining) [2024-11-09 07:22:31,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 99 remaining) [2024-11-09 07:22:31,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 99 remaining) [2024-11-09 07:22:31,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 99 remaining) [2024-11-09 07:22:31,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 99 remaining) [2024-11-09 07:22:31,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 99 remaining) [2024-11-09 07:22:31,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 99 remaining) [2024-11-09 07:22:31,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 99 remaining) [2024-11-09 07:22:31,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 99 remaining) [2024-11-09 07:22:31,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 99 remaining) [2024-11-09 07:22:31,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 99 remaining) [2024-11-09 07:22:31,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 99 remaining) [2024-11-09 07:22:31,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 99 remaining) [2024-11-09 07:22:31,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 99 remaining) [2024-11-09 07:22:31,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 99 remaining) [2024-11-09 07:22:31,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 99 remaining) [2024-11-09 07:22:31,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 99 remaining) [2024-11-09 07:22:31,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 99 remaining) [2024-11-09 07:22:31,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 99 remaining) [2024-11-09 07:22:31,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 99 remaining) [2024-11-09 07:22:31,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 99 remaining) [2024-11-09 07:22:31,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 99 remaining) [2024-11-09 07:22:31,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 99 remaining) [2024-11-09 07:22:31,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 99 remaining) [2024-11-09 07:22:31,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 99 remaining) [2024-11-09 07:22:31,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 99 remaining) [2024-11-09 07:22:31,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 99 remaining) [2024-11-09 07:22:31,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 99 remaining) [2024-11-09 07:22:31,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 99 remaining) [2024-11-09 07:22:31,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 99 remaining) [2024-11-09 07:22:31,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 99 remaining) [2024-11-09 07:22:31,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 99 remaining) [2024-11-09 07:22:31,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 99 remaining) [2024-11-09 07:22:31,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 99 remaining) [2024-11-09 07:22:31,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 99 remaining) [2024-11-09 07:22:31,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 99 remaining) [2024-11-09 07:22:31,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK (41 of 99 remaining) [2024-11-09 07:22:31,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK (40 of 99 remaining) [2024-11-09 07:22:31,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 99 remaining) [2024-11-09 07:22:31,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 99 remaining) [2024-11-09 07:22:31,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 99 remaining) [2024-11-09 07:22:31,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 99 remaining) [2024-11-09 07:22:31,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 99 remaining) [2024-11-09 07:22:31,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 99 remaining) [2024-11-09 07:22:31,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 99 remaining) [2024-11-09 07:22:31,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 99 remaining) [2024-11-09 07:22:31,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 99 remaining) [2024-11-09 07:22:31,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 99 remaining) [2024-11-09 07:22:31,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 99 remaining) [2024-11-09 07:22:31,112 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 99 remaining) [2024-11-09 07:22:31,112 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 99 remaining) [2024-11-09 07:22:31,112 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 99 remaining) [2024-11-09 07:22:31,112 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 99 remaining) [2024-11-09 07:22:31,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (24 of 99 remaining) [2024-11-09 07:22:31,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 99 remaining) [2024-11-09 07:22:31,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 99 remaining) [2024-11-09 07:22:31,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 99 remaining) [2024-11-09 07:22:31,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 99 remaining) [2024-11-09 07:22:31,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 99 remaining) [2024-11-09 07:22:31,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 99 remaining) [2024-11-09 07:22:31,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 99 remaining) [2024-11-09 07:22:31,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 99 remaining) [2024-11-09 07:22:31,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 99 remaining) [2024-11-09 07:22:31,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 99 remaining) [2024-11-09 07:22:31,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 99 remaining) [2024-11-09 07:22:31,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 99 remaining) [2024-11-09 07:22:31,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 99 remaining) [2024-11-09 07:22:31,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 99 remaining) [2024-11-09 07:22:31,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 99 remaining) [2024-11-09 07:22:31,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 99 remaining) [2024-11-09 07:22:31,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 99 remaining) [2024-11-09 07:22:31,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 99 remaining) [2024-11-09 07:22:31,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 99 remaining) [2024-11-09 07:22:31,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 99 remaining) [2024-11-09 07:22:31,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 99 remaining) [2024-11-09 07:22:31,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 99 remaining) [2024-11-09 07:22:31,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 99 remaining) [2024-11-09 07:22:31,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 99 remaining) [2024-11-09 07:22:31,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:22:31,121 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 07:22:31,159 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 07:22:31,160 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:22:31,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:22:31 BasicIcfg [2024-11-09 07:22:31,165 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:22:31,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:22:31,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:22:31,166 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:22:31,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:22:09" (3/4) ... [2024-11-09 07:22:31,169 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:22:31,170 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:22:31,173 INFO L158 Benchmark]: Toolchain (without parser) took 25528.24ms. Allocated memory was 134.2MB in the beginning and 11.5GB in the end (delta: 11.4GB). Free memory was 99.2MB in the beginning and 9.7GB in the end (delta: -9.6GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-11-09 07:22:31,173 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:22:31,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.68ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 69.1MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 07:22:31,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.27ms. Allocated memory is still 134.2MB. Free memory was 69.1MB in the beginning and 65.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:22:31,175 INFO L158 Benchmark]: Boogie Preprocessor took 61.42ms. Allocated memory is still 134.2MB. Free memory was 65.8MB in the beginning and 62.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:22:31,176 INFO L158 Benchmark]: RCFGBuilder took 2574.51ms. Allocated memory was 134.2MB in the beginning and 197.1MB in the end (delta: 62.9MB). Free memory was 62.7MB in the beginning and 70.5MB in the end (delta: -7.8MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-11-09 07:22:31,176 INFO L158 Benchmark]: TraceAbstraction took 21955.40ms. Allocated memory was 197.1MB in the beginning and 11.5GB in the end (delta: 11.3GB). Free memory was 69.5MB in the beginning and 9.7GB in the end (delta: -9.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-09 07:22:31,177 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 11.5GB. Free memory is still 9.7GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:22:31,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.68ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 69.1MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.27ms. Allocated memory is still 134.2MB. Free memory was 69.1MB in the beginning and 65.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.42ms. Allocated memory is still 134.2MB. Free memory was 65.8MB in the beginning and 62.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2574.51ms. Allocated memory was 134.2MB in the beginning and 197.1MB in the end (delta: 62.9MB). Free memory was 62.7MB in the beginning and 70.5MB in the end (delta: -7.8MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * TraceAbstraction took 21955.40ms. Allocated memory was 197.1MB in the beginning and 11.5GB in the end (delta: 11.3GB). Free memory was 69.5MB in the beginning and 9.7GB in the end (delta: -9.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 11.5GB. Free memory is still 9.7GB. There was no memory consumed. 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 - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L732] 0 int __unbuffered_p2_EBX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L737] 0 _Bool x$flush_delayed; [L738] 0 int x$mem_tmp; [L739] 0 _Bool x$r_buff0_thd0; [L740] 0 _Bool x$r_buff0_thd1; [L741] 0 _Bool x$r_buff0_thd2; [L742] 0 _Bool x$r_buff0_thd3; [L743] 0 _Bool x$r_buff1_thd0; [L744] 0 _Bool x$r_buff1_thd1; [L745] 0 _Bool x$r_buff1_thd2; [L746] 0 _Bool x$r_buff1_thd3; [L747] 0 _Bool x$read_delayed; [L748] 0 int *x$read_delayed_var; [L749] 0 int x$w_buff0; [L750] 0 _Bool x$w_buff0_used; [L751] 0 int x$w_buff1; [L752] 0 _Bool x$w_buff1_used; [L754] 0 int y = 0; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L873] 0 pthread_t t2369; [L874] FCALL, FORK 0 pthread_create(&t2369, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2369=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L875] 0 pthread_t t2370; [L876] FCALL, FORK 0 pthread_create(&t2370, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2369=-1, t2370=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L791] 2 x$w_buff1 = x$w_buff0 [L792] 2 x$w_buff0 = 1 [L793] 2 x$w_buff1_used = x$w_buff0_used [L794] 2 x$w_buff0_used = (_Bool)1 [L795] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L795] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L796] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L797] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L798] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L799] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L800] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L803] 2 x$w_buff1 = x$w_buff0 [L804] 2 x$w_buff0 = 2 [L805] 2 x$w_buff1_used = x$w_buff0_used [L806] 2 x$w_buff0_used = (_Bool)1 [L807] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] CALL 2 reach_error() [L18] COND FALSE 2 !(0) [L18] 2 __assert_fail ("0", "safe025_power.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, x={3:0}, y=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 162 locations, 99 error locations. Started 1 CEGAR loops. OverallTime: 21.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 44 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232186occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:22:31,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/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_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje --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 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:22:33,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:22:33,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-09 07:22:33,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:22:33,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:22:33,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:22:33,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:22:33,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:22:33,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:22:33,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:22:33,875 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:22:33,876 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:22:33,876 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:22:33,877 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:22:33,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:22:33,881 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:22:33,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:22:33,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:22:33,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:22:33,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:22:33,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:22:33,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:22:33,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:22:33,886 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 07:22:33,886 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 07:22:33,887 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 07:22:33,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:22:33,888 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:22:33,888 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:22:33,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:22:33,889 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:22:33,889 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:22:33,889 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:22:33,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:22:33,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:22:33,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:22:33,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:22:33,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:22:33,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:22:33,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:22:33,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:22:33,894 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:22:33,894 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:22:33,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:22:33,904 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:22:33,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/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_5481d32b-8046-4bf4-9b64-96441f94a9ff/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 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 -> 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 [2024-11-09 07:22:34,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:22:34,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:22:34,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:22:34,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:22:34,464 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:22:34,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-wmm/safe025_power.i Unable to find full path for "g++" [2024-11-09 07:22:36,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:22:36,770 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:22:36,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/sv-benchmarks/c/pthread-wmm/safe025_power.i [2024-11-09 07:22:36,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/data/8bbfbfc29/bf3518c648ef4cebbadb4a4f9ac2cf6f/FLAG0d301d8bf [2024-11-09 07:22:36,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/data/8bbfbfc29/bf3518c648ef4cebbadb4a4f9ac2cf6f [2024-11-09 07:22:36,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:22:36,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:22:36,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:22:36,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:22:36,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:22:36,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:22:36" (1/1) ... [2024-11-09 07:22:36,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d025a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:36, skipping insertion in model container [2024-11-09 07:22:36,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:22:36" (1/1) ... [2024-11-09 07:22:36,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:22:37,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:22:37,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:22:37,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:22:37,643 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:22:37,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37 WrapperNode [2024-11-09 07:22:37,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:22:37,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:22:37,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:22:37,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:22:37,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,739 INFO L138 Inliner]: procedures = 179, calls = 75, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 226 [2024-11-09 07:22:37,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:22:37,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:22:37,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:22:37,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:22:37,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:22:37,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:22:37,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:22:37,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:22:37,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (1/1) ... [2024-11-09 07:22:37,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:22:37,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:22:37,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:22:37,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:22:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 07:22:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 07:22:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:22:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 07:22:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:22:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 07:22:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 07:22:37,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 07:22:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 07:22:37,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 07:22:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 07:22:37,931 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 07:22:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 07:22:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:22:37,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:22:37,934 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 07:22:38,136 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:22:38,138 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:22:39,080 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:22:39,080 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:22:40,570 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:22:40,572 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:22:40,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:22:40 BoogieIcfgContainer [2024-11-09 07:22:40,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:22:40,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:22:40,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:22:40,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:22:40,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:22:36" (1/3) ... [2024-11-09 07:22:40,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cac418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:22:40, skipping insertion in model container [2024-11-09 07:22:40,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:37" (2/3) ... [2024-11-09 07:22:40,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cac418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:22:40, skipping insertion in model container [2024-11-09 07:22:40,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:22:40" (3/3) ... [2024-11-09 07:22:40,586 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_power.i [2024-11-09 07:22:40,607 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:22:40,607 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-09 07:22:40,607 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:22:40,929 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 07:22:40,971 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 100 transitions, 212 flow [2024-11-09 07:22:49,120 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 232186 states, 192056 states have (on average 4.671069896280252) internal successors, (897107), 232185 states have internal predecessors, (897107), 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 07:22:49,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:22:49,181 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;@20da389f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:22:49,181 INFO L334 AbstractCegarLoop]: Starting to check reachability of 99 error locations. [2024-11-09 07:22:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 232186 states, 192056 states have (on average 4.671069896280252) internal successors, (897107), 232185 states have internal predecessors, (897107), 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 07:22:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 07:22:49,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:22:49,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 07:22:49,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 96 more)] === [2024-11-09 07:22:49,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:22:49,489 INFO L85 PathProgramCache]: Analyzing trace with hash 369331402, now seen corresponding path program 1 times [2024-11-09 07:22:49,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:22:49,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962860827] [2024-11-09 07:22:49,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:49,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:22:49,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:22:49,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:22:49,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 07:22:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:49,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:22:49,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:22:49,895 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 07:22:49,896 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:22:49,896 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:22:49,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962860827] [2024-11-09 07:22:49,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962860827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:22:49,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:22:49,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 07:22:49,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318686343] [2024-11-09 07:22:49,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:22:49,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:22:49,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:22:49,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:22:49,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:22:50,374 INFO L87 Difference]: Start difference. First operand has 232186 states, 192056 states have (on average 4.671069896280252) internal successors, (897107), 232185 states have internal predecessors, (897107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:22:55,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:22:55,562 INFO L93 Difference]: Finished difference Result 236110 states and 922909 transitions. [2024-11-09 07:22:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:22:55,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 07:22:55,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:22:56,167 INFO L225 Difference]: With dead ends: 236110 [2024-11-09 07:22:56,168 INFO L226 Difference]: Without dead ends: 18992 [2024-11-09 07:22:56,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 07:22:56,488 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:22:56,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 15 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:22:56,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18992 states. [2024-11-09 07:22:57,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18992 to 18992. [2024-11-09 07:22:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18992 states, 18673 states have (on average 3.695978150270444) internal successors, (69015), 18991 states have internal predecessors, (69015), 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 07:22:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18992 states to 18992 states and 69015 transitions. [2024-11-09 07:22:58,329 INFO L78 Accepts]: Start accepts. Automaton has 18992 states and 69015 transitions. Word has length 6 [2024-11-09 07:22:58,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:22:58,330 INFO L471 AbstractCegarLoop]: Abstraction has 18992 states and 69015 transitions. [2024-11-09 07:22:58,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:22:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 18992 states and 69015 transitions. [2024-11-09 07:22:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 07:22:58,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:22:58,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 07:22:58,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:22:58,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:22:58,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 96 more)] === [2024-11-09 07:22:58,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:22:58,534 INFO L85 PathProgramCache]: Analyzing trace with hash 369331391, now seen corresponding path program 1 times [2024-11-09 07:22:58,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:22:58,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958370600] [2024-11-09 07:22:58,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:58,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:22:58,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:22:58,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:22:58,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 07:22:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:58,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:22:58,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:22:58,799 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 07:22:58,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:22:58,800 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:22:58,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958370600] [2024-11-09 07:22:58,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958370600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:22:58,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:22:58,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 07:22:58,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650641568] [2024-11-09 07:22:58,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:22:58,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:22:58,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:22:58,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:22:58,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:22:58,805 INFO L87 Difference]: Start difference. First operand 18992 states and 69015 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:22:59,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:22:59,221 INFO L93 Difference]: Finished difference Result 18992 states and 69015 transitions. [2024-11-09 07:22:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:22:59,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 07:22:59,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:22:59,457 INFO L225 Difference]: With dead ends: 18992 [2024-11-09 07:22:59,457 INFO L226 Difference]: Without dead ends: 8002 [2024-11-09 07:22:59,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 07:22:59,492 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:22:59,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 14 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:22:59,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8002 states. [2024-11-09 07:22:59,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8002 to 8002. [2024-11-09 07:22:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8002 states, 7988 states have (on average 3.541562343515273) internal successors, (28290), 8001 states have internal predecessors, (28290), 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 07:22:59,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8002 states to 8002 states and 28290 transitions. [2024-11-09 07:23:00,085 INFO L78 Accepts]: Start accepts. Automaton has 8002 states and 28290 transitions. Word has length 6 [2024-11-09 07:23:00,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:23:00,086 INFO L471 AbstractCegarLoop]: Abstraction has 8002 states and 28290 transitions. [2024-11-09 07:23:00,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:23:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 8002 states and 28290 transitions. [2024-11-09 07:23:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 07:23:00,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:00,088 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 07:23:00,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 07:23:00,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:00,291 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 96 more)] === [2024-11-09 07:23:00,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:00,292 INFO L85 PathProgramCache]: Analyzing trace with hash 369297339, now seen corresponding path program 1 times [2024-11-09 07:23:00,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:23:00,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546584903] [2024-11-09 07:23:00,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:00,293 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:00,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:23:00,296 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:23:00,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 07:23:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:00,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:23:00,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:23:00,515 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 07:23:00,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:23:00,516 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:23:00,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546584903] [2024-11-09 07:23:00,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546584903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:23:00,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:23:00,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 07:23:00,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957910584] [2024-11-09 07:23:00,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:23:00,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:23:00,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:23:00,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:23:00,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:23:00,521 INFO L87 Difference]: Start difference. First operand 8002 states and 28290 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:23:00,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:23:00,809 INFO L93 Difference]: Finished difference Result 8002 states and 28290 transitions. [2024-11-09 07:23:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:23:00,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 07:23:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:23:00,975 INFO L225 Difference]: With dead ends: 8002 [2024-11-09 07:23:00,975 INFO L226 Difference]: Without dead ends: 7090 [2024-11-09 07:23:00,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 07:23:00,982 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 23 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:23:00,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 29 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:23:00,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7090 states. [2024-11-09 07:23:01,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7090 to 7090. [2024-11-09 07:23:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7090 states, 7081 states have (on average 3.524360965965259) internal successors, (24956), 7089 states have internal predecessors, (24956), 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 07:23:01,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7090 states to 7090 states and 24956 transitions. [2024-11-09 07:23:01,922 INFO L78 Accepts]: Start accepts. Automaton has 7090 states and 24956 transitions. Word has length 6 [2024-11-09 07:23:01,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:23:01,923 INFO L471 AbstractCegarLoop]: Abstraction has 7090 states and 24956 transitions. [2024-11-09 07:23:01,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:23:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7090 states and 24956 transitions. [2024-11-09 07:23:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 07:23:01,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:01,924 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:01,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 07:23:02,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:02,125 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 96 more)] === [2024-11-09 07:23:02,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:02,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1436683124, now seen corresponding path program 1 times [2024-11-09 07:23:02,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:23:02,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122065363] [2024-11-09 07:23:02,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:02,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:02,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:23:02,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:23:02,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 07:23:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:23:02,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:23:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:23:02,470 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 07:23:02,471 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:23:02,472 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (98 of 99 remaining) [2024-11-09 07:23:02,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 99 remaining) [2024-11-09 07:23:02,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 99 remaining) [2024-11-09 07:23:02,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 99 remaining) [2024-11-09 07:23:02,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 99 remaining) [2024-11-09 07:23:02,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 99 remaining) [2024-11-09 07:23:02,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 99 remaining) [2024-11-09 07:23:02,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 99 remaining) [2024-11-09 07:23:02,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 99 remaining) [2024-11-09 07:23:02,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 99 remaining) [2024-11-09 07:23:02,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 99 remaining) [2024-11-09 07:23:02,480 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 99 remaining) [2024-11-09 07:23:02,480 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 99 remaining) [2024-11-09 07:23:02,480 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (85 of 99 remaining) [2024-11-09 07:23:02,481 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (84 of 99 remaining) [2024-11-09 07:23:02,481 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 99 remaining) [2024-11-09 07:23:02,481 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 99 remaining) [2024-11-09 07:23:02,481 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 99 remaining) [2024-11-09 07:23:02,481 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 99 remaining) [2024-11-09 07:23:02,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 99 remaining) [2024-11-09 07:23:02,484 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 99 remaining) [2024-11-09 07:23:02,484 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 99 remaining) [2024-11-09 07:23:02,485 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 99 remaining) [2024-11-09 07:23:02,485 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 99 remaining) [2024-11-09 07:23:02,485 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 99 remaining) [2024-11-09 07:23:02,485 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 99 remaining) [2024-11-09 07:23:02,485 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 99 remaining) [2024-11-09 07:23:02,486 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 99 remaining) [2024-11-09 07:23:02,486 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 99 remaining) [2024-11-09 07:23:02,486 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 99 remaining) [2024-11-09 07:23:02,488 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 99 remaining) [2024-11-09 07:23:02,488 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 99 remaining) [2024-11-09 07:23:02,488 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 99 remaining) [2024-11-09 07:23:02,489 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 99 remaining) [2024-11-09 07:23:02,489 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 99 remaining) [2024-11-09 07:23:02,489 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 99 remaining) [2024-11-09 07:23:02,489 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 99 remaining) [2024-11-09 07:23:02,489 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 99 remaining) [2024-11-09 07:23:02,489 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 99 remaining) [2024-11-09 07:23:02,490 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 99 remaining) [2024-11-09 07:23:02,490 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 99 remaining) [2024-11-09 07:23:02,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 99 remaining) [2024-11-09 07:23:02,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 99 remaining) [2024-11-09 07:23:02,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 99 remaining) [2024-11-09 07:23:02,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 99 remaining) [2024-11-09 07:23:02,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 99 remaining) [2024-11-09 07:23:02,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 99 remaining) [2024-11-09 07:23:02,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 99 remaining) [2024-11-09 07:23:02,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 99 remaining) [2024-11-09 07:23:02,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 99 remaining) [2024-11-09 07:23:02,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 99 remaining) [2024-11-09 07:23:02,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 99 remaining) [2024-11-09 07:23:02,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 99 remaining) [2024-11-09 07:23:02,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 99 remaining) [2024-11-09 07:23:02,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 99 remaining) [2024-11-09 07:23:02,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 99 remaining) [2024-11-09 07:23:02,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 99 remaining) [2024-11-09 07:23:02,495 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK (41 of 99 remaining) [2024-11-09 07:23:02,495 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK (40 of 99 remaining) [2024-11-09 07:23:02,495 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 99 remaining) [2024-11-09 07:23:02,495 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 99 remaining) [2024-11-09 07:23:02,496 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 99 remaining) [2024-11-09 07:23:02,496 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 99 remaining) [2024-11-09 07:23:02,496 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 99 remaining) [2024-11-09 07:23:02,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 99 remaining) [2024-11-09 07:23:02,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 99 remaining) [2024-11-09 07:23:02,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 99 remaining) [2024-11-09 07:23:02,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 99 remaining) [2024-11-09 07:23:02,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 99 remaining) [2024-11-09 07:23:02,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 99 remaining) [2024-11-09 07:23:02,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 99 remaining) [2024-11-09 07:23:02,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 99 remaining) [2024-11-09 07:23:02,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 99 remaining) [2024-11-09 07:23:02,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 99 remaining) [2024-11-09 07:23:02,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (24 of 99 remaining) [2024-11-09 07:23:02,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 99 remaining) [2024-11-09 07:23:02,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 99 remaining) [2024-11-09 07:23:02,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 99 remaining) [2024-11-09 07:23:02,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 99 remaining) [2024-11-09 07:23:02,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 99 remaining) [2024-11-09 07:23:02,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 99 remaining) [2024-11-09 07:23:02,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 99 remaining) [2024-11-09 07:23:02,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 99 remaining) [2024-11-09 07:23:02,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 99 remaining) [2024-11-09 07:23:02,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 99 remaining) [2024-11-09 07:23:02,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 99 remaining) [2024-11-09 07:23:02,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 99 remaining) [2024-11-09 07:23:02,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 99 remaining) [2024-11-09 07:23:02,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 99 remaining) [2024-11-09 07:23:02,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 99 remaining) [2024-11-09 07:23:02,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 99 remaining) [2024-11-09 07:23:02,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 99 remaining) [2024-11-09 07:23:02,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 99 remaining) [2024-11-09 07:23:02,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 99 remaining) [2024-11-09 07:23:02,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 99 remaining) [2024-11-09 07:23:02,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 99 remaining) [2024-11-09 07:23:02,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 99 remaining) [2024-11-09 07:23:02,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 99 remaining) [2024-11-09 07:23:02,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 99 remaining) [2024-11-09 07:23:02,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-09 07:23:02,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:02,714 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 07:23:02,759 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 07:23:02,759 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:23:02,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:23:02 BasicIcfg [2024-11-09 07:23:02,763 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:23:02,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:23:02,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:23:02,764 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:23:02,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:22:40" (3/4) ... [2024-11-09 07:23:02,767 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:23:02,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:23:02,769 INFO L158 Benchmark]: Toolchain (without parser) took 25957.01ms. Allocated memory was 73.4MB in the beginning and 12.1GB in the end (delta: 12.0GB). Free memory was 46.9MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-09 07:23:02,770 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 111.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 830.35ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 46.8MB in the beginning and 53.4MB in the end (delta: -6.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.02ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 50.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,771 INFO L158 Benchmark]: Boogie Preprocessor took 95.67ms. Allocated memory is still 94.4MB. Free memory was 50.3MB in the beginning and 69.7MB in the end (delta: -19.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,771 INFO L158 Benchmark]: RCFGBuilder took 2733.43ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 69.7MB in the beginning and 63.0MB in the end (delta: 6.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,772 INFO L158 Benchmark]: TraceAbstraction took 22188.30ms. Allocated memory was 136.3MB in the beginning and 12.1GB in the end (delta: 11.9GB). Free memory was 61.9MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-09 07:23:02,772 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 12.1GB. Free memory was 10.6GB in the beginning and 10.6GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 111.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 830.35ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 46.8MB in the beginning and 53.4MB in the end (delta: -6.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.02ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 50.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.67ms. Allocated memory is still 94.4MB. Free memory was 50.3MB in the beginning and 69.7MB in the end (delta: -19.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2733.43ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 69.7MB in the beginning and 63.0MB in the end (delta: 6.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * TraceAbstraction took 22188.30ms. Allocated memory was 136.3MB in the beginning and 12.1GB in the end (delta: 11.9GB). Free memory was 61.9MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 12.1GB. Free memory was 10.6GB in the beginning and 10.6GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L732] 0 int __unbuffered_p2_EBX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L737] 0 _Bool x$flush_delayed; [L738] 0 int x$mem_tmp; [L739] 0 _Bool x$r_buff0_thd0; [L740] 0 _Bool x$r_buff0_thd1; [L741] 0 _Bool x$r_buff0_thd2; [L742] 0 _Bool x$r_buff0_thd3; [L743] 0 _Bool x$r_buff1_thd0; [L744] 0 _Bool x$r_buff1_thd1; [L745] 0 _Bool x$r_buff1_thd2; [L746] 0 _Bool x$r_buff1_thd3; [L747] 0 _Bool x$read_delayed; [L748] 0 int *x$read_delayed_var; [L749] 0 int x$w_buff0; [L750] 0 _Bool x$w_buff0_used; [L751] 0 int x$w_buff1; [L752] 0 _Bool x$w_buff1_used; [L754] 0 int y = 0; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L873] 0 pthread_t t2369; [L874] FCALL, FORK 0 pthread_create(&t2369, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2369=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L875] 0 pthread_t t2370; [L876] FCALL, FORK 0 pthread_create(&t2370, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2369=-1, t2370=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L791] 2 x$w_buff1 = x$w_buff0 [L792] 2 x$w_buff0 = 1 [L793] 2 x$w_buff1_used = x$w_buff0_used [L794] 2 x$w_buff0_used = (_Bool)1 [L795] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L795] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L796] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L797] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L798] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L799] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L800] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L803] 2 x$w_buff1 = x$w_buff0 [L804] 2 x$w_buff0 = 2 [L805] 2 x$w_buff1_used = x$w_buff0_used [L806] 2 x$w_buff0_used = (_Bool)1 [L807] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] CALL 2 reach_error() [L18] COND FALSE 2 !(0) [L18] 2 __assert_fail ("0", "safe025_power.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, x={3:0}, y=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 162 locations, 99 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 44 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232186occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:23:02,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5481d32b-8046-4bf4-9b64-96441f94a9ff/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: UNKNOWN: Overapproximated counterexample