./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire --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 7ebc335b60b8cdd623e40ee7c2c99e8e082656d42f1fdf6911dd5259073d8a45 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:02,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:03,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:14:03,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:03,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:03,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:03,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:03,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:03,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:03,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:03,064 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:03,064 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:03,065 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:03,065 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:03,066 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:03,067 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:03,067 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:03,068 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:03,068 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:03,069 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:03,070 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:03,070 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:03,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:03,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:03,072 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:03,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:03,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:03,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:03,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:03,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:03,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:03,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:14:03,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:14:03,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:03,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:03,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:03,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:03,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:03,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:03,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:03,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:03,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:03,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:03,090 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:03,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:03,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:03,091 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:03,091 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:03,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:03,092 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_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ebc335b60b8cdd623e40ee7c2c99e8e082656d42f1fdf6911dd5259073d8a45 [2023-11-23 21:14:03,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:03,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:03,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:03,474 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:03,475 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:03,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i [2023-11-23 21:14:06,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:07,288 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:07,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i [2023-11-23 21:14:07,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/data/16e4d9915/2f01197c3cb14dbab60f08ba93bbf715/FLAG8d25d725f [2023-11-23 21:14:07,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/data/16e4d9915/2f01197c3cb14dbab60f08ba93bbf715 [2023-11-23 21:14:07,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:07,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:07,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:07,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:07,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:07,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e14ebf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07, skipping insertion in model container [2023-11-23 21:14:07,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:07,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:08,018 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:08,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:08,156 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:08,156 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:08,167 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:08,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08 WrapperNode [2023-11-23 21:14:08,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:08,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:08,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:08,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:08,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,239 INFO L138 Inliner]: procedures = 176, calls = 63, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 139 [2023-11-23 21:14:08,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:08,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:08,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:08,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:08,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:08,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:08,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:08,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:08,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:08,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:08,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:08,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:14:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 21:14:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 21:14:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 21:14:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 21:14:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 21:14:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 21:14:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 21:14:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 21:14:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:08,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:08,446 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:14:08,673 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:08,676 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:09,197 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:09,614 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:09,615 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:14:09,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:09 BoogieIcfgContainer [2023-11-23 21:14:09,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:09,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:09,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:09,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:09,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:07" (1/3) ... [2023-11-23 21:14:09,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e34c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:09, skipping insertion in model container [2023-11-23 21:14:09,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08" (2/3) ... [2023-11-23 21:14:09,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e34c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:09, skipping insertion in model container [2023-11-23 21:14:09,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:09" (3/3) ... [2023-11-23 21:14:09,628 INFO L112 eAbstractionObserver]: Analyzing ICFG mix033_power.oepc_pso.oepc_rmo.oepc.i [2023-11-23 21:14:09,639 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:14:09,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:09,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-23 21:14:09,653 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 21:14:09,715 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-23 21:14:09,748 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 43 transitions, 98 flow [2023-11-23 21:14:10,210 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7785 states, 7759 states have (on average 3.549942002835417) internal successors, (27544), 7784 states have internal predecessors, (27544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:10,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:10,241 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10a54e9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:10,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-23 21:14:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 7785 states, 7759 states have (on average 3.549942002835417) internal successors, (27544), 7784 states have internal predecessors, (27544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:10,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:14:10,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:10,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:10,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-23 21:14:10,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:10,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1597945695, now seen corresponding path program 1 times [2023-11-23 21:14:10,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:10,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332695395] [2023-11-23 21:14:10,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:10,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:10,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:10,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332695395] [2023-11-23 21:14:10,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332695395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:10,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:10,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 21:14:10,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682516565] [2023-11-23 21:14:10,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:10,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:10,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:10,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:10,922 INFO L87 Difference]: Start difference. First operand has 7785 states, 7759 states have (on average 3.549942002835417) internal successors, (27544), 7784 states have internal predecessors, (27544), 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) [2023-11-23 21:14:11,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:11,219 INFO L93 Difference]: Finished difference Result 5471 states and 18674 transitions. [2023-11-23 21:14:11,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:11,222 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 [2023-11-23 21:14:11,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:11,323 INFO L225 Difference]: With dead ends: 5471 [2023-11-23 21:14:11,324 INFO L226 Difference]: Without dead ends: 5471 [2023-11-23 21:14:11,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:11,331 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 22 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:11,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 24 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:14:11,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5471 states. [2023-11-23 21:14:11,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5471 to 5471. [2023-11-23 21:14:11,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5471 states, 5453 states have (on average 3.424536952136439) internal successors, (18674), 5470 states have internal predecessors, (18674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:11,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5471 states to 5471 states and 18674 transitions. [2023-11-23 21:14:11,845 INFO L78 Accepts]: Start accepts. Automaton has 5471 states and 18674 transitions. Word has length 7 [2023-11-23 21:14:11,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:11,846 INFO L495 AbstractCegarLoop]: Abstraction has 5471 states and 18674 transitions. [2023-11-23 21:14:11,847 INFO L496 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) [2023-11-23 21:14:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 5471 states and 18674 transitions. [2023-11-23 21:14:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 21:14:11,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:11,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:11,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:11,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-23 21:14:11,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:11,872 INFO L85 PathProgramCache]: Analyzing trace with hash -986857256, now seen corresponding path program 1 times [2023-11-23 21:14:11,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:11,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828221685] [2023-11-23 21:14:11,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:11,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:12,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:12,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828221685] [2023-11-23 21:14:12,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828221685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:12,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:12,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:12,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287993163] [2023-11-23 21:14:12,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:12,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:14:12,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:12,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:14:12,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:14:12,187 INFO L87 Difference]: Start difference. First operand 5471 states and 18674 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:12,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:12,491 INFO L93 Difference]: Finished difference Result 4721 states and 16205 transitions. [2023-11-23 21:14:12,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:14:12,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-23 21:14:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:12,552 INFO L225 Difference]: With dead ends: 4721 [2023-11-23 21:14:12,552 INFO L226 Difference]: Without dead ends: 4721 [2023-11-23 21:14:12,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:14:12,554 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 46 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:12,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 48 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:14:12,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2023-11-23 21:14:12,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4721. [2023-11-23 21:14:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4721 states, 4715 states have (on average 3.436903499469777) internal successors, (16205), 4720 states have internal predecessors, (16205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4721 states to 4721 states and 16205 transitions. [2023-11-23 21:14:12,841 INFO L78 Accepts]: Start accepts. Automaton has 4721 states and 16205 transitions. Word has length 16 [2023-11-23 21:14:12,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:12,842 INFO L495 AbstractCegarLoop]: Abstraction has 4721 states and 16205 transitions. [2023-11-23 21:14:12,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 4721 states and 16205 transitions. [2023-11-23 21:14:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 21:14:12,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:12,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:12,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:14:12,849 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-23 21:14:12,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:12,852 INFO L85 PathProgramCache]: Analyzing trace with hash -986857255, now seen corresponding path program 1 times [2023-11-23 21:14:12,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:12,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164685281] [2023-11-23 21:14:12,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:12,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:13,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:13,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164685281] [2023-11-23 21:14:13,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164685281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:13,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:13,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:13,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520761123] [2023-11-23 21:14:13,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:13,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:14:13,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:13,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:14:13,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:14:13,063 INFO L87 Difference]: Start difference. First operand 4721 states and 16205 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:13,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:13,283 INFO L93 Difference]: Finished difference Result 4139 states and 14258 transitions. [2023-11-23 21:14:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:14:13,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-23 21:14:13,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:13,353 INFO L225 Difference]: With dead ends: 4139 [2023-11-23 21:14:13,354 INFO L226 Difference]: Without dead ends: 4139 [2023-11-23 21:14:13,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:14:13,357 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 57 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:13,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 36 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:14:13,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2023-11-23 21:14:13,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 4139. [2023-11-23 21:14:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4139 states, 4136 states have (on average 3.4472920696324953) internal successors, (14258), 4138 states have internal predecessors, (14258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:13,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 4139 states and 14258 transitions. [2023-11-23 21:14:13,650 INFO L78 Accepts]: Start accepts. Automaton has 4139 states and 14258 transitions. Word has length 16 [2023-11-23 21:14:13,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:13,651 INFO L495 AbstractCegarLoop]: Abstraction has 4139 states and 14258 transitions. [2023-11-23 21:14:13,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 4139 states and 14258 transitions. [2023-11-23 21:14:13,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:14:13,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:13,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:13,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:14:13,674 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-23 21:14:13,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:13,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1186144192, now seen corresponding path program 1 times [2023-11-23 21:14:13,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:13,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610626409] [2023-11-23 21:14:13,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:13,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:13,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:13,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610626409] [2023-11-23 21:14:13,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610626409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:13,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:13,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:13,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923478352] [2023-11-23 21:14:13,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:13,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:14:13,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:13,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:14:13,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:14:13,911 INFO L87 Difference]: Start difference. First operand 4139 states and 14258 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:14,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:14,247 INFO L93 Difference]: Finished difference Result 4055 states and 14018 transitions. [2023-11-23 21:14:14,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:14:14,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-11-23 21:14:14,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:14,249 INFO L225 Difference]: With dead ends: 4055 [2023-11-23 21:14:14,249 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:14:14,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:14:14,262 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 81 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 36 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 [2023-11-23 21:14:14,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 36 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:14:14,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:14:14,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:14:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:14:14,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2023-11-23 21:14:14,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:14,270 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:14:14,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:14:14,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:14:14,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-23 21:14:14,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-23 21:14:14,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-23 21:14:14,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-23 21:14:14,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-23 21:14:14,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-23 21:14:14,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-23 21:14:14,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-23 21:14:14,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-23 21:14:14,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-23 21:14:14,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-23 21:14:14,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-23 21:14:14,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-23 21:14:14,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-23 21:14:14,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-23 21:14:14,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:14:14,286 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 21:14:14,293 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 21:14:14,293 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:14,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:14:14 BasicIcfg [2023-11-23 21:14:14,300 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:14:14,301 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:14:14,301 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:14:14,301 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:14:14,302 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:09" (3/4) ... [2023-11-23 21:14:14,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:14:14,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-23 21:14:14,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-23 21:14:14,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-23 21:14:14,320 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2023-11-23 21:14:14,321 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-23 21:14:14,321 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:14:14,322 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 21:14:14,441 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:14:14,441 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:14:14,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:14:14,443 INFO L158 Benchmark]: Toolchain (without parser) took 7095.39ms. Allocated memory was 165.7MB in the beginning and 381.7MB in the end (delta: 216.0MB). Free memory was 117.4MB in the beginning and 231.0MB in the end (delta: -113.6MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2023-11-23 21:14:14,443 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 165.7MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:14,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 815.51ms. Allocated memory is still 165.7MB. Free memory was 117.3MB in the beginning and 93.7MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:14,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.49ms. Allocated memory is still 165.7MB. Free memory was 93.5MB in the beginning and 91.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:14,445 INFO L158 Benchmark]: Boogie Preprocessor took 89.47ms. Allocated memory is still 165.7MB. Free memory was 90.9MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:14,445 INFO L158 Benchmark]: RCFGBuilder took 1284.96ms. Allocated memory is still 165.7MB. Free memory was 89.0MB in the beginning and 112.4MB in the end (delta: -23.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-23 21:14:14,446 INFO L158 Benchmark]: TraceAbstraction took 4681.56ms. Allocated memory was 165.7MB in the beginning and 381.7MB in the end (delta: 216.0MB). Free memory was 111.5MB in the beginning and 236.2MB in the end (delta: -124.7MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2023-11-23 21:14:14,446 INFO L158 Benchmark]: Witness Printer took 141.11ms. Allocated memory is still 381.7MB. Free memory was 236.2MB in the beginning and 231.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:14,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 165.7MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 815.51ms. Allocated memory is still 165.7MB. Free memory was 117.3MB in the beginning and 93.7MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.49ms. Allocated memory is still 165.7MB. Free memory was 93.5MB in the beginning and 91.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.47ms. Allocated memory is still 165.7MB. Free memory was 90.9MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1284.96ms. Allocated memory is still 165.7MB. Free memory was 89.0MB in the beginning and 112.4MB in the end (delta: -23.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4681.56ms. Allocated memory was 165.7MB in the beginning and 381.7MB in the end (delta: 216.0MB). Free memory was 111.5MB in the beginning and 236.2MB in the end (delta: -124.7MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. * Witness Printer took 141.11ms. Allocated memory is still 381.7MB. Free memory was 236.2MB in the beginning and 231.0MB in the end (delta: 5.2MB). 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: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: 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, 78 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 264 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 60 mSDtfsCounter, 264 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=7785occurred 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: 1.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:14:14,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda7017-6e75-4a0f-b94a-51ee218f06ed/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE