./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix028_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix028_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 381687e0b1f81c1857e97f802385548d8501e57e279b70a993237277b7cd3e3a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:57:20,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:57:20,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:57:20,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:57:20,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:57:20,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:57:20,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:57:20,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:57:20,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:57:20,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:57:20,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:57:20,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:57:20,690 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:57:20,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:57:20,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:57:20,692 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:57:20,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:57:20,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:57:20,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:57:20,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:57:20,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:57:20,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:57:20,696 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:57:20,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:57:20,697 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:57:20,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:57:20,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:57:20,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:57:20,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:57:20,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:57:20,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:57:20,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:57:20,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:57:20,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:57:20,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:57:20,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:57:20,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:57:20,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:57:20,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:57:20,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:57:20,705 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:57:20,705 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 381687e0b1f81c1857e97f802385548d8501e57e279b70a993237277b7cd3e3a [2023-11-06 22:57:20,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:57:20,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:57:21,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:57:21,003 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:57:21,004 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:57:21,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-wmm/mix028_tso.i [2023-11-06 22:57:24,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:57:24,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:57:24,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/sv-benchmarks/c/pthread-wmm/mix028_tso.i [2023-11-06 22:57:24,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/data/0baf10cad/47a75fe7890443f0b060dd87d0cb2afa/FLAG3528ee4aa [2023-11-06 22:57:24,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/data/0baf10cad/47a75fe7890443f0b060dd87d0cb2afa [2023-11-06 22:57:24,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:57:24,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:57:24,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:57:24,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:57:24,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:57:24,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:57:24" (1/1) ... [2023-11-06 22:57:24,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dce502d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:24, skipping insertion in model container [2023-11-06 22:57:24,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:57:24" (1/1) ... [2023-11-06 22:57:24,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:57:25,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:57:25,041 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:57:25,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:57:25,205 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:57:25,205 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:57:25,213 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:57:25,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25 WrapperNode [2023-11-06 22:57:25,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:57:25,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:57:25,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:57:25,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:57:25,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,310 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 172 [2023-11-06 22:57:25,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:57:25,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:57:25,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:57:25,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:57:25,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:57:25,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:57:25,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:57:25,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:57:25,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (1/1) ... [2023-11-06 22:57:25,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:57:25,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:25,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:25,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:57:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:57:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:57:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:57:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:57:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:57:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 22:57:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 22:57:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 22:57:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 22:57:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 22:57:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 22:57:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:57:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:57:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:57:25,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:57:25,494 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:57:25,692 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:57:25,693 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:57:26,104 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:57:26,284 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:57:26,284 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:57:26,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:26 BoogieIcfgContainer [2023-11-06 22:57:26,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:57:26,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:57:26,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:57:26,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:57:26,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:57:24" (1/3) ... [2023-11-06 22:57:26,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a56d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:57:26, skipping insertion in model container [2023-11-06 22:57:26,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:25" (2/3) ... [2023-11-06 22:57:26,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a56d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:57:26, skipping insertion in model container [2023-11-06 22:57:26,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:26" (3/3) ... [2023-11-06 22:57:26,295 INFO L112 eAbstractionObserver]: Analyzing ICFG mix028_tso.i [2023-11-06 22:57:26,304 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:57:26,313 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:57:26,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 22:57:26,314 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:57:26,369 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:57:26,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 120 transitions, 252 flow [2023-11-06 22:57:26,461 INFO L124 PetriNetUnfolderBase]: 3/117 cut-off events. [2023-11-06 22:57:26,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:57:26,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 3/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 84 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2023-11-06 22:57:26,467 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 120 transitions, 252 flow [2023-11-06 22:57:26,472 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 117 transitions, 243 flow [2023-11-06 22:57:26,476 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:57:26,485 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 117 transitions, 243 flow [2023-11-06 22:57:26,490 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 117 transitions, 243 flow [2023-11-06 22:57:26,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 117 transitions, 243 flow [2023-11-06 22:57:26,522 INFO L124 PetriNetUnfolderBase]: 3/117 cut-off events. [2023-11-06 22:57:26,522 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:57:26,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 3/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 84 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2023-11-06 22:57:26,527 INFO L119 LiptonReduction]: Number of co-enabled transitions 2832 [2023-11-06 22:57:31,828 INFO L134 LiptonReduction]: Checked pairs total: 9522 [2023-11-06 22:57:31,828 INFO L136 LiptonReduction]: Total number of compositions: 105 [2023-11-06 22:57:31,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:57:31,851 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4b419ac8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:57:31,851 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-06 22:57:31,855 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:57:31,855 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-06 22:57:31,856 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:57:31,856 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:57:31,856 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:57:31,857 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-06 22:57:31,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:31,862 INFO L85 PathProgramCache]: Analyzing trace with hash 546429168, now seen corresponding path program 1 times [2023-11-06 22:57:31,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:31,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595048282] [2023-11-06 22:57:31,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:31,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:32,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:32,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595048282] [2023-11-06 22:57:32,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595048282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:32,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:32,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:57:32,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411090525] [2023-11-06 22:57:32,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:32,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:57:32,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:32,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:57:32,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:57:32,236 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 225 [2023-11-06 22:57:32,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2023-11-06 22:57:32,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:57:32,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 225 [2023-11-06 22:57:32,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:57:32,598 INFO L124 PetriNetUnfolderBase]: 657/1090 cut-off events. [2023-11-06 22:57:32,598 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-06 22:57:32,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2215 conditions, 1090 events. 657/1090 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5384 event pairs, 307 based on Foata normal form. 24/839 useless extension candidates. Maximal degree in co-relation 2204. Up to 1001 conditions per place. [2023-11-06 22:57:32,618 INFO L140 encePairwiseOnDemand]: 214/225 looper letters, 33 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2023-11-06 22:57:32,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 40 transitions, 169 flow [2023-11-06 22:57:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:57:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:57:32,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2023-11-06 22:57:32,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4962962962962963 [2023-11-06 22:57:32,643 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2023-11-06 22:57:32,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2023-11-06 22:57:32,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:57:32,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2023-11-06 22:57:32,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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) [2023-11-06 22:57:32,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2023-11-06 22:57:32,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2023-11-06 22:57:32,669 INFO L175 Difference]: Start difference. First operand has 37 places, 27 transitions, 63 flow. Second operand 3 states and 335 transitions. [2023-11-06 22:57:32,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 40 transitions, 169 flow [2023-11-06 22:57:32,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 40 transitions, 164 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:57:32,674 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 98 flow [2023-11-06 22:57:32,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2023-11-06 22:57:32,680 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2023-11-06 22:57:32,680 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 98 flow [2023-11-06 22:57:32,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2023-11-06 22:57:32,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:57:32,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:32,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:57:32,682 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-06 22:57:32,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:32,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1734802749, now seen corresponding path program 1 times [2023-11-06 22:57:32,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:32,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337692101] [2023-11-06 22:57:32,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:32,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:32,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:32,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:32,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337692101] [2023-11-06 22:57:32,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337692101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:32,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:32,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:57:32,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956503294] [2023-11-06 22:57:32,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:32,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:57:32,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:32,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:57:32,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:57:32,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 225 [2023-11-06 22:57:32,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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) [2023-11-06 22:57:32,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:57:32,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 225 [2023-11-06 22:57:32,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:57:33,188 INFO L124 PetriNetUnfolderBase]: 455/764 cut-off events. [2023-11-06 22:57:33,189 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2023-11-06 22:57:33,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1919 conditions, 764 events. 455/764 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3470 event pairs, 169 based on Foata normal form. 0/649 useless extension candidates. Maximal degree in co-relation 1908. Up to 674 conditions per place. [2023-11-06 22:57:33,202 INFO L140 encePairwiseOnDemand]: 218/225 looper letters, 30 selfloop transitions, 4 changer transitions 0/37 dead transitions. [2023-11-06 22:57:33,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 37 transitions, 178 flow [2023-11-06 22:57:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:57:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:57:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 425 transitions. [2023-11-06 22:57:33,206 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4722222222222222 [2023-11-06 22:57:33,207 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 425 transitions. [2023-11-06 22:57:33,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 425 transitions. [2023-11-06 22:57:33,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:57:33,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 425 transitions. [2023-11-06 22:57:33,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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) [2023-11-06 22:57:33,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 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) [2023-11-06 22:57:33,220 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 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) [2023-11-06 22:57:33,220 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 98 flow. Second operand 4 states and 425 transitions. [2023-11-06 22:57:33,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 37 transitions, 178 flow [2023-11-06 22:57:33,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 174 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:57:33,228 INFO L231 Difference]: Finished difference. Result has 36 places, 27 transitions, 90 flow [2023-11-06 22:57:33,228 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=90, PETRI_PLACES=36, PETRI_TRANSITIONS=27} [2023-11-06 22:57:33,229 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2023-11-06 22:57:33,237 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 90 flow [2023-11-06 22:57:33,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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) [2023-11-06 22:57:33,237 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:57:33,237 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:33,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:57:33,238 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-06 22:57:33,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:33,239 INFO L85 PathProgramCache]: Analyzing trace with hash 2009893382, now seen corresponding path program 1 times [2023-11-06 22:57:33,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:33,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221849690] [2023-11-06 22:57:33,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:33,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:33,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:33,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221849690] [2023-11-06 22:57:33,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221849690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:33,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:33,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:57:33,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314495832] [2023-11-06 22:57:33,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:33,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:57:33,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:33,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:57:33,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:57:33,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 225 [2023-11-06 22:57:33,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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) [2023-11-06 22:57:33,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:57:33,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 225 [2023-11-06 22:57:33,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:57:33,500 INFO L124 PetriNetUnfolderBase]: 148/291 cut-off events. [2023-11-06 22:57:33,500 INFO L125 PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES. [2023-11-06 22:57:33,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 745 conditions, 291 events. 148/291 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1086 event pairs, 51 based on Foata normal form. 26/302 useless extension candidates. Maximal degree in co-relation 733. Up to 112 conditions per place. [2023-11-06 22:57:33,503 INFO L140 encePairwiseOnDemand]: 217/225 looper letters, 35 selfloop transitions, 7 changer transitions 3/48 dead transitions. [2023-11-06 22:57:33,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 48 transitions, 234 flow [2023-11-06 22:57:33,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:57:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:57:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 437 transitions. [2023-11-06 22:57:33,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4855555555555556 [2023-11-06 22:57:33,506 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 437 transitions. [2023-11-06 22:57:33,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 437 transitions. [2023-11-06 22:57:33,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:57:33,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 437 transitions. [2023-11-06 22:57:33,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 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) [2023-11-06 22:57:33,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 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) [2023-11-06 22:57:33,512 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 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) [2023-11-06 22:57:33,513 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 90 flow. Second operand 4 states and 437 transitions. [2023-11-06 22:57:33,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 48 transitions, 234 flow [2023-11-06 22:57:33,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 48 transitions, 229 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:57:33,515 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 113 flow [2023-11-06 22:57:33,516 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=113, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2023-11-06 22:57:33,517 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-11-06 22:57:33,517 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 113 flow [2023-11-06 22:57:33,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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) [2023-11-06 22:57:33,518 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:57:33,518 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:33,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:57:33,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-06 22:57:33,519 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:33,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1430223502, now seen corresponding path program 1 times [2023-11-06 22:57:33,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:33,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680476032] [2023-11-06 22:57:33,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:33,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:33,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:33,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680476032] [2023-11-06 22:57:33,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680476032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:33,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:33,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:57:33,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930737879] [2023-11-06 22:57:33,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:33,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:57:33,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:33,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:57:33,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:57:33,747 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 225 [2023-11-06 22:57:33,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 113 flow. Second operand has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 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) [2023-11-06 22:57:33,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:57:33,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 225 [2023-11-06 22:57:33,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:57:33,891 INFO L124 PetriNetUnfolderBase]: 110/210 cut-off events. [2023-11-06 22:57:33,891 INFO L125 PetriNetUnfolderBase]: For 204/204 co-relation queries the response was YES. [2023-11-06 22:57:33,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 629 conditions, 210 events. 110/210 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 749 event pairs, 39 based on Foata normal form. 12/219 useless extension candidates. Maximal degree in co-relation 616. Up to 90 conditions per place. [2023-11-06 22:57:33,892 INFO L140 encePairwiseOnDemand]: 217/225 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2023-11-06 22:57:33,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 199 flow [2023-11-06 22:57:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:57:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:57:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 525 transitions. [2023-11-06 22:57:33,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2023-11-06 22:57:33,896 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 525 transitions. [2023-11-06 22:57:33,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 525 transitions. [2023-11-06 22:57:33,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:57:33,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 525 transitions. [2023-11-06 22:57:33,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 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) [2023-11-06 22:57:33,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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) [2023-11-06 22:57:33,903 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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) [2023-11-06 22:57:33,903 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 113 flow. Second operand 5 states and 525 transitions. [2023-11-06 22:57:33,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 39 transitions, 199 flow [2023-11-06 22:57:33,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 39 transitions, 175 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-06 22:57:33,907 INFO L231 Difference]: Finished difference. Result has 32 places, 0 transitions, 0 flow [2023-11-06 22:57:33,908 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=32, PETRI_TRANSITIONS=0} [2023-11-06 22:57:33,909 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -5 predicate places. [2023-11-06 22:57:33,910 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 0 transitions, 0 flow [2023-11-06 22:57:33,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 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) [2023-11-06 22:57:33,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-06 22:57:33,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-06 22:57:33,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-06 22:57:33,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-06 22:57:33,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-06 22:57:33,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-06 22:57:33,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-06 22:57:33,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-06 22:57:33,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-06 22:57:33,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-06 22:57:33,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-06 22:57:33,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-06 22:57:33,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-06 22:57:33,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-06 22:57:33,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-06 22:57:33,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:57:33,922 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:57:33,929 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:57:33,930 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:57:33,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:57:33 BasicIcfg [2023-11-06 22:57:33,940 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:57:33,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:57:33,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:57:33,944 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:57:33,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:26" (3/4) ... [2023-11-06 22:57:33,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:57:33,949 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-06 22:57:33,949 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-06 22:57:33,949 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-06 22:57:33,957 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-06 22:57:33,957 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:57:33,958 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:57:33,958 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:57:34,038 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:57:34,038 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:57:34,038 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:57:34,039 INFO L158 Benchmark]: Toolchain (without parser) took 9608.47ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 125.6MB in the beginning and 163.0MB in the end (delta: -37.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:57:34,039 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:57:34,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.72ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 101.0MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:57:34,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.60ms. Allocated memory is still 174.1MB. Free memory was 101.0MB in the beginning and 97.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:57:34,040 INFO L158 Benchmark]: Boogie Preprocessor took 75.12ms. Allocated memory is still 174.1MB. Free memory was 97.8MB in the beginning and 95.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:57:34,041 INFO L158 Benchmark]: RCFGBuilder took 898.01ms. Allocated memory is still 174.1MB. Free memory was 95.7MB in the beginning and 115.3MB in the end (delta: -19.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-06 22:57:34,041 INFO L158 Benchmark]: TraceAbstraction took 7652.66ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 115.3MB in the beginning and 167.2MB in the end (delta: -51.9MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2023-11-06 22:57:34,042 INFO L158 Benchmark]: Witness Printer took 95.07ms. Allocated memory is still 209.7MB. Free memory was 167.2MB in the beginning and 163.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:57:34,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.72ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 101.0MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.60ms. Allocated memory is still 174.1MB. Free memory was 101.0MB in the beginning and 97.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.12ms. Allocated memory is still 174.1MB. Free memory was 97.8MB in the beginning and 95.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 898.01ms. Allocated memory is still 174.1MB. Free memory was 95.7MB in the beginning and 115.3MB in the end (delta: -19.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7652.66ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 115.3MB in the beginning and 167.2MB in the end (delta: -51.9MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. * Witness Printer took 95.07ms. Allocated memory is still 209.7MB. Free memory was 167.2MB in the beginning and 163.0MB 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: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 124 PlacesBefore, 37 PlacesAfterwards, 117 TransitionsBefore, 27 TransitionsAfterwards, 2832 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 3 ChoiceCompositions, 105 TotalNumberOfCompositions, 9522 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3541, independent: 3260, independent conditional: 0, independent unconditional: 3260, dependent: 281, dependent conditional: 0, dependent unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1599, independent: 1521, independent conditional: 0, independent unconditional: 1521, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3541, independent: 1739, independent conditional: 0, independent unconditional: 1739, dependent: 203, dependent conditional: 0, dependent unconditional: 203, unknown: 1599, unknown conditional: 0, unknown unconditional: 1599] , Statistics on independence cache: Total cache size (in pairs): 142, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 151 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 6 mSDtfsCounter, 222 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=113occurred in iteration=3, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 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! [2023-11-06 22:57:34,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8918b2dc-4d3d-4022-af60-7d50b81e8c57/bin/uautomizer-verify-WvqO1wxjHP/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