./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/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_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de3096cf2a7a81c5a5563cf2e9ae3ddf8f4cc1ab1b483fb6503759d4e39a0a81 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:52:07,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:52:07,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:52:07,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:52:07,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:52:07,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:52:07,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:52:07,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:52:07,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:52:07,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:52:07,673 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:52:07,674 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:52:07,674 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:52:07,675 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:52:07,675 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:52:07,675 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:52:07,676 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:52:07,676 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:52:07,677 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:52:07,677 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:52:07,677 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:52:07,681 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:52:07,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:52:07,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:52:07,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:52:07,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:52:07,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:52:07,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:52:07,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:52:07,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:52:07,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:52:07,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:52:07,686 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:52:07,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:52:07,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:52:07,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:52:07,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:52:07,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:52:07,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:52:07,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:52:07,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:52:07,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:52:07,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:52:07,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:52:07,695 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:52:07,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:52:07,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:52:07,696 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:52:07,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:52:07,696 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_7b883c67-ed34-4773-9f50-819e5dc426db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de3096cf2a7a81c5a5563cf2e9ae3ddf8f4cc1ab1b483fb6503759d4e39a0a81 [2024-11-09 05:52:08,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:52:08,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:52:08,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:52:08,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:52:08,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:52:08,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i Unable to find full path for "g++" [2024-11-09 05:52:10,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:52:10,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:52:10,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i [2024-11-09 05:52:10,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/data/79fe48bec/a836e8351a7a41048c8bdd652d4a750a/FLAGc94d9b688 [2024-11-09 05:52:10,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/data/79fe48bec/a836e8351a7a41048c8bdd652d4a750a [2024-11-09 05:52:10,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:52:10,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:52:10,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:52:10,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:52:10,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:52:10,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:52:10" (1/1) ... [2024-11-09 05:52:10,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbad9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:10, skipping insertion in model container [2024-11-09 05:52:10,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:52:10" (1/1) ... [2024-11-09 05:52:10,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:52:11,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:52:11,511 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:52:11,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:52:11,674 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:52:11,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11 WrapperNode [2024-11-09 05:52:11,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:52:11,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:52:11,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:52:11,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:52:11,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,729 INFO L138 Inliner]: procedures = 175, calls = 64, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 172 [2024-11-09 05:52:11,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:52:11,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:52:11,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:52:11,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:52:11,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:52:11,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:52:11,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:52:11,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:52:11,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:52:11,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:52:11,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:52:11,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:52:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:52:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:52:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 05:52:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:52:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 05:52:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 05:52:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 05:52:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 05:52:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 05:52:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 05:52:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:52:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 05:52:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:52:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:52:11,882 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 05:52:12,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:52:12,034 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:52:12,720 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:52:12,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:52:13,337 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:52:13,338 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:52:13,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:13 BoogieIcfgContainer [2024-11-09 05:52:13,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:52:13,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:52:13,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:52:13,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:52:13,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:52:10" (1/3) ... [2024-11-09 05:52:13,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b37893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:52:13, skipping insertion in model container [2024-11-09 05:52:13,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11" (2/3) ... [2024-11-09 05:52:13,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b37893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:52:13, skipping insertion in model container [2024-11-09 05:52:13,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:13" (3/3) ... [2024-11-09 05:52:13,352 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_power.opt.i [2024-11-09 05:52:13,372 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:52:13,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 05:52:13,373 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:52:13,469 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 05:52:13,510 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 39 transitions, 90 flow [2024-11-09 05:52:13,873 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5184 states, 5158 states have (on average 3.5029081039162464) internal successors, (18068), 5183 states have internal predecessors, (18068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:13,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:52:13,912 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@32dbc534, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:52:13,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-09 05:52:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 5184 states, 5158 states have (on average 3.5029081039162464) internal successors, (18068), 5183 states have internal predecessors, (18068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 05:52:13,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:13,938 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:13,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:52:13,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:13,946 INFO L85 PathProgramCache]: Analyzing trace with hash -741770728, now seen corresponding path program 1 times [2024-11-09 05:52:13,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:13,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557618365] [2024-11-09 05:52:13,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:14,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:14,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557618365] [2024-11-09 05:52:14,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557618365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:14,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:14,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:52:14,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220918579] [2024-11-09 05:52:14,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:14,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:52:14,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:14,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:52:14,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:52:14,660 INFO L87 Difference]: Start difference. First operand has 5184 states, 5158 states have (on average 3.5029081039162464) internal successors, (18068), 5183 states have internal predecessors, (18068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:15,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:15,056 INFO L93 Difference]: Finished difference Result 6376 states and 20948 transitions. [2024-11-09 05:52:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:52:15,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 05:52:15,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:15,235 INFO L225 Difference]: With dead ends: 6376 [2024-11-09 05:52:15,235 INFO L226 Difference]: Without dead ends: 3616 [2024-11-09 05:52:15,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:52:15,260 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 18 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:15,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 16 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:52:15,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3616 states. [2024-11-09 05:52:15,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3616 to 3616. [2024-11-09 05:52:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3616 states, 3598 states have (on average 3.3551973318510284) internal successors, (12072), 3615 states have internal predecessors, (12072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3616 states and 12072 transitions. [2024-11-09 05:52:15,568 INFO L78 Accepts]: Start accepts. Automaton has 3616 states and 12072 transitions. Word has length 7 [2024-11-09 05:52:15,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:15,569 INFO L471 AbstractCegarLoop]: Abstraction has 3616 states and 12072 transitions. [2024-11-09 05:52:15,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:15,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 12072 transitions. [2024-11-09 05:52:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 05:52:15,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:15,584 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:15,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:52:15,585 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:52:15,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:15,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1213763318, now seen corresponding path program 1 times [2024-11-09 05:52:15,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:15,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395681191] [2024-11-09 05:52:15,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:15,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:15,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:15,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395681191] [2024-11-09 05:52:15,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395681191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:15,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:15,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:52:15,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682298504] [2024-11-09 05:52:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:15,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:52:15,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:15,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:52:15,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:52:15,851 INFO L87 Difference]: Start difference. First operand 3616 states and 12072 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:16,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:16,075 INFO L93 Difference]: Finished difference Result 3616 states and 12072 transitions. [2024-11-09 05:52:16,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:52:16,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2024-11-09 05:52:16,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:16,108 INFO L225 Difference]: With dead ends: 3616 [2024-11-09 05:52:16,108 INFO L226 Difference]: Without dead ends: 2978 [2024-11-09 05:52:16,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:52:16,113 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 39 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:16,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 32 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:52:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2978 states. [2024-11-09 05:52:16,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2978 to 2978. [2024-11-09 05:52:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2978 states, 2972 states have (on average 3.357671601615074) internal successors, (9979), 2977 states have internal predecessors, (9979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2978 states and 9979 transitions. [2024-11-09 05:52:16,231 INFO L78 Accepts]: Start accepts. Automaton has 2978 states and 9979 transitions. Word has length 15 [2024-11-09 05:52:16,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:16,233 INFO L471 AbstractCegarLoop]: Abstraction has 2978 states and 9979 transitions. [2024-11-09 05:52:16,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 9979 transitions. [2024-11-09 05:52:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 05:52:16,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:16,236 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:16,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:52:16,237 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:52:16,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:16,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1213763317, now seen corresponding path program 1 times [2024-11-09 05:52:16,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:16,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628711342] [2024-11-09 05:52:16,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:16,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:16,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:16,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628711342] [2024-11-09 05:52:16,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628711342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:16,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:16,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:52:16,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673643925] [2024-11-09 05:52:16,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:16,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:52:16,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:16,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:52:16,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:52:16,449 INFO L87 Difference]: Start difference. First operand 2978 states and 9979 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:16,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:16,675 INFO L93 Difference]: Finished difference Result 3062 states and 10135 transitions. [2024-11-09 05:52:16,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:52:16,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2024-11-09 05:52:16,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:16,698 INFO L225 Difference]: With dead ends: 3062 [2024-11-09 05:52:16,698 INFO L226 Difference]: Without dead ends: 2508 [2024-11-09 05:52:16,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:52:16,705 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 36 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:16,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 24 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:52:16,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2024-11-09 05:52:16,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2508. [2024-11-09 05:52:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2508 states, 2505 states have (on average 3.3564870259481037) internal successors, (8408), 2507 states have internal predecessors, (8408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2508 states and 8408 transitions. [2024-11-09 05:52:16,844 INFO L78 Accepts]: Start accepts. Automaton has 2508 states and 8408 transitions. Word has length 15 [2024-11-09 05:52:16,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:16,845 INFO L471 AbstractCegarLoop]: Abstraction has 2508 states and 8408 transitions. [2024-11-09 05:52:16,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 8408 transitions. [2024-11-09 05:52:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 05:52:16,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:16,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:16,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:52:16,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:52:16,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:16,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1007551776, now seen corresponding path program 1 times [2024-11-09 05:52:16,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:16,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403259789] [2024-11-09 05:52:16,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:17,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:17,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403259789] [2024-11-09 05:52:17,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403259789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:17,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:17,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:52:17,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34912696] [2024-11-09 05:52:17,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:17,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:52:17,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:17,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:52:17,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:52:17,145 INFO L87 Difference]: Start difference. First operand 2508 states and 8408 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:17,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:17,404 INFO L93 Difference]: Finished difference Result 2508 states and 8408 transitions. [2024-11-09 05:52:17,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:52:17,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2024-11-09 05:52:17,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:17,416 INFO L225 Difference]: With dead ends: 2508 [2024-11-09 05:52:17,418 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:52:17,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:52:17,428 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 71 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:17,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 24 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:52:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:52:17,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:52:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:52:17,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2024-11-09 05:52:17,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:17,442 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:52:17,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:52:17,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:52:17,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-09 05:52:17,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-09 05:52:17,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-09 05:52:17,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-09 05:52:17,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-09 05:52:17,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-09 05:52:17,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-09 05:52:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-09 05:52:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-09 05:52:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-09 05:52:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-09 05:52:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-09 05:52:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-09 05:52:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-09 05:52:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-09 05:52:17,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:52:17,457 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 05:52:17,466 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 05:52:17,466 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:52:17,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:52:17 BasicIcfg [2024-11-09 05:52:17,472 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:52:17,472 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:52:17,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:52:17,473 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:52:17,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:13" (3/4) ... [2024-11-09 05:52:17,476 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:52:17,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 05:52:17,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 05:52:17,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 05:52:17,489 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2024-11-09 05:52:17,489 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 05:52:17,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 05:52:17,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:52:17,598 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:52:17,599 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:52:17,599 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:52:17,600 INFO L158 Benchmark]: Toolchain (without parser) took 6819.57ms. Allocated memory was 130.0MB in the beginning and 335.5MB in the end (delta: 205.5MB). Free memory was 94.3MB in the beginning and 227.9MB in the end (delta: -133.6MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2024-11-09 05:52:17,600 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:52:17,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 893.15ms. Allocated memory is still 130.0MB. Free memory was 94.3MB in the beginning and 66.5MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 05:52:17,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.15ms. Allocated memory is still 130.0MB. Free memory was 66.5MB in the beginning and 63.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:52:17,601 INFO L158 Benchmark]: Boogie Preprocessor took 74.66ms. Allocated memory is still 130.0MB. Free memory was 63.5MB in the beginning and 61.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:52:17,602 INFO L158 Benchmark]: RCFGBuilder took 1533.56ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 61.0MB in the beginning and 123.6MB in the end (delta: -62.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 05:52:17,602 INFO L158 Benchmark]: TraceAbstraction took 4129.57ms. Allocated memory was 176.2MB in the beginning and 335.5MB in the end (delta: 159.4MB). Free memory was 123.6MB in the beginning and 232.1MB in the end (delta: -108.4MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-11-09 05:52:17,603 INFO L158 Benchmark]: Witness Printer took 126.63ms. Allocated memory is still 335.5MB. Free memory was 232.1MB in the beginning and 227.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:52:17,605 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 893.15ms. Allocated memory is still 130.0MB. Free memory was 94.3MB in the beginning and 66.5MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.15ms. Allocated memory is still 130.0MB. Free memory was 66.5MB in the beginning and 63.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.66ms. Allocated memory is still 130.0MB. Free memory was 63.5MB in the beginning and 61.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1533.56ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 61.0MB in the beginning and 123.6MB in the end (delta: -62.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4129.57ms. Allocated memory was 176.2MB in the beginning and 335.5MB in the end (delta: 159.4MB). Free memory was 123.6MB in the beginning and 232.1MB in the end (delta: -108.4MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Witness Printer took 126.63ms. Allocated memory is still 335.5MB. Free memory was 232.1MB in the beginning and 227.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 842]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 842]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 96 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 40 mSDtfsCounter, 267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5184occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 05:52:17,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b883c67-ed34-4773-9f50-819e5dc426db/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE