./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe005_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/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_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe005_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/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_cf637c58-fc51-41e5-bb94-dfec1d465ebf/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 0f4fff0b2b9fbf3a1c21190a7a3a2488ff184faa22678fe9af5f2740e4422fce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:23,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:23,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:02:23,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:23,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:24,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:24,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:24,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:24,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:24,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:24,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:24,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:24,014 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:24,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:24,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:24,016 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:02:24,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:02:24,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:02:24,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:24,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:24,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:24,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:24,020 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:02:24,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:02:24,021 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:02:24,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:24,023 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:24,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:24,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:24,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:24,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:24,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:24,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:24,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:24,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:02:24,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:02:24,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:24,039 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:24,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:24,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:02:24,040 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:02:24,040 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_cf637c58-fc51-41e5-bb94-dfec1d465ebf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f4fff0b2b9fbf3a1c21190a7a3a2488ff184faa22678fe9af5f2740e4422fce [2023-11-06 22:02:24,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:02:24,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:02:24,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:02:24,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:02:24,318 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:02:24,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-wmm/safe005_tso.i [2023-11-06 22:02:27,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:27,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:27,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/sv-benchmarks/c/pthread-wmm/safe005_tso.i [2023-11-06 22:02:27,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/data/4175b750f/19eccb98b36a4cffba8a08c2042482ec/FLAG116bc63bd [2023-11-06 22:02:27,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/data/4175b750f/19eccb98b36a4cffba8a08c2042482ec [2023-11-06 22:02:27,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:27,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:27,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:27,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:27,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:27,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:27" (1/1) ... [2023-11-06 22:02:27,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1114c716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:27, skipping insertion in model container [2023-11-06 22:02:27,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:27" (1/1) ... [2023-11-06 22:02:27,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:28,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:28,353 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:28,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:28,471 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:02:28,471 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:02:28,479 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:28,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28 WrapperNode [2023-11-06 22:02:28,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:28,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:28,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:28,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:28,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,532 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2023-11-06 22:02:28,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:28,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:28,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:28,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:28,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:28,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:28,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:28,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:28,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (1/1) ... [2023-11-06 22:02:28,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:28,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:28,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:28,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:02:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:02:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:02:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:02:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 22:02:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 22:02:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 22:02:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 22:02:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 22:02:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 22:02:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:02:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:28,693 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 22:02:28,919 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:28,921 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:29,172 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:29,206 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:29,206 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:02:29,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:29 BoogieIcfgContainer [2023-11-06 22:02:29,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:29,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:29,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:29,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:29,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:27" (1/3) ... [2023-11-06 22:02:29,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621d6062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:29, skipping insertion in model container [2023-11-06 22:02:29,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:28" (2/3) ... [2023-11-06 22:02:29,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621d6062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:29, skipping insertion in model container [2023-11-06 22:02:29,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:29" (3/3) ... [2023-11-06 22:02:29,221 INFO L112 eAbstractionObserver]: Analyzing ICFG safe005_tso.i [2023-11-06 22:02:29,231 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:02:29,242 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:29,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 22:02:29,242 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:02:29,310 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:02:29,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 98 transitions, 208 flow [2023-11-06 22:02:29,403 INFO L124 PetriNetUnfolderBase]: 3/95 cut-off events. [2023-11-06 22:02:29,404 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:02:29,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 3/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2023-11-06 22:02:29,410 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 98 transitions, 208 flow [2023-11-06 22:02:29,416 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 95 transitions, 199 flow [2023-11-06 22:02:29,420 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:02:29,431 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 95 transitions, 199 flow [2023-11-06 22:02:29,435 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 95 transitions, 199 flow [2023-11-06 22:02:29,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 95 transitions, 199 flow [2023-11-06 22:02:29,523 INFO L124 PetriNetUnfolderBase]: 3/95 cut-off events. [2023-11-06 22:02:29,526 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:02:29,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 3/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2023-11-06 22:02:29,531 INFO L119 LiptonReduction]: Number of co-enabled transitions 2448 [2023-11-06 22:02:32,438 INFO L134 LiptonReduction]: Checked pairs total: 7877 [2023-11-06 22:02:32,438 INFO L136 LiptonReduction]: Total number of compositions: 88 [2023-11-06 22:02:32,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:32,464 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;@1f27d57f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:32,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-06 22:02:32,467 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:02:32,468 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-06 22:02:32,468 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:02:32,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:32,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:02:32,469 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 22:02:32,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:32,474 INFO L85 PathProgramCache]: Analyzing trace with hash 341974182, now seen corresponding path program 1 times [2023-11-06 22:02:32,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:32,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095885361] [2023-11-06 22:02:32,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,789 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 22:02:32,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:32,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095885361] [2023-11-06 22:02:32,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095885361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:32,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:32,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:02:32,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761827681] [2023-11-06 22:02:32,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:32,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:32,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:32,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:32,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:32,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 186 [2023-11-06 22:02:32,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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 22:02:32,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:32,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 186 [2023-11-06 22:02:32,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:33,095 INFO L124 PetriNetUnfolderBase]: 316/548 cut-off events. [2023-11-06 22:02:33,096 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-06 22:02:33,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1127 conditions, 548 events. 316/548 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2602 event pairs, 170 based on Foata normal form. 8/383 useless extension candidates. Maximal degree in co-relation 1116. Up to 505 conditions per place. [2023-11-06 22:02:33,109 INFO L140 encePairwiseOnDemand]: 174/186 looper letters, 26 selfloop transitions, 4 changer transitions 0/33 dead transitions. [2023-11-06 22:02:33,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 33 transitions, 141 flow [2023-11-06 22:02:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2023-11-06 22:02:33,136 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5053763440860215 [2023-11-06 22:02:33,137 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 282 transitions. [2023-11-06 22:02:33,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 282 transitions. [2023-11-06 22:02:33,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:33,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 282 transitions. [2023-11-06 22:02:33,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 22:02:33,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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 22:02:33,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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 22:02:33,158 INFO L175 Difference]: Start difference. First operand has 33 places, 24 transitions, 57 flow. Second operand 3 states and 282 transitions. [2023-11-06 22:02:33,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 33 transitions, 141 flow [2023-11-06 22:02:33,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 33 transitions, 136 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:02:33,164 INFO L231 Difference]: Finished difference. Result has 33 places, 26 transitions, 90 flow [2023-11-06 22:02:33,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=33, PETRI_TRANSITIONS=26} [2023-11-06 22:02:33,171 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2023-11-06 22:02:33,172 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 26 transitions, 90 flow [2023-11-06 22:02:33,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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 22:02:33,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:33,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:33,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:02:33,173 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 22:02:33,176 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:33,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2041935414, now seen corresponding path program 1 times [2023-11-06 22:02:33,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:33,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280545376] [2023-11-06 22:02:33,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:33,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:33,374 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 22:02:33,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:33,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280545376] [2023-11-06 22:02:33,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280545376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:33,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:33,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:33,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098341321] [2023-11-06 22:02:33,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:33,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:33,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:33,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:33,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:33,398 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 186 [2023-11-06 22:02:33,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 26 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 22:02:33,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:33,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 186 [2023-11-06 22:02:33,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:33,544 INFO L124 PetriNetUnfolderBase]: 201/357 cut-off events. [2023-11-06 22:02:33,545 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2023-11-06 22:02:33,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 956 conditions, 357 events. 201/357 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1483 event pairs, 86 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 945. Up to 313 conditions per place. [2023-11-06 22:02:33,549 INFO L140 encePairwiseOnDemand]: 179/186 looper letters, 23 selfloop transitions, 4 changer transitions 0/30 dead transitions. [2023-11-06 22:02:33,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 150 flow [2023-11-06 22:02:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:02:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:02:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 354 transitions. [2023-11-06 22:02:33,553 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47580645161290325 [2023-11-06 22:02:33,553 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 354 transitions. [2023-11-06 22:02:33,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 354 transitions. [2023-11-06 22:02:33,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:33,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 354 transitions. [2023-11-06 22:02:33,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 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 22:02:33,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 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 22:02:33,560 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 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 22:02:33,560 INFO L175 Difference]: Start difference. First operand has 33 places, 26 transitions, 90 flow. Second operand 4 states and 354 transitions. [2023-11-06 22:02:33,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 150 flow [2023-11-06 22:02:33,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 30 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:02:33,562 INFO L231 Difference]: Finished difference. Result has 32 places, 23 transitions, 82 flow [2023-11-06 22:02:33,562 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=82, PETRI_PLACES=32, PETRI_TRANSITIONS=23} [2023-11-06 22:02:33,563 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -1 predicate places. [2023-11-06 22:02:33,564 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 82 flow [2023-11-06 22:02:33,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 22:02:33,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:33,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:33,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:02:33,565 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 22:02:33,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:33,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2041771735, now seen corresponding path program 1 times [2023-11-06 22:02:33,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:33,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604411804] [2023-11-06 22:02:33,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:33,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:33,706 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 22:02:33,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:33,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604411804] [2023-11-06 22:02:33,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604411804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:33,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:33,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:33,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092405641] [2023-11-06 22:02:33,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:33,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:33,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:33,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:33,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:33,725 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 186 [2023-11-06 22:02:33,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 82 flow. Second operand has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 22:02:33,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:33,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 186 [2023-11-06 22:02:33,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:33,822 INFO L124 PetriNetUnfolderBase]: 74/157 cut-off events. [2023-11-06 22:02:33,823 INFO L125 PetriNetUnfolderBase]: For 69/69 co-relation queries the response was YES. [2023-11-06 22:02:33,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 157 events. 74/157 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 494 event pairs, 23 based on Foata normal form. 12/157 useless extension candidates. Maximal degree in co-relation 414. Up to 67 conditions per place. [2023-11-06 22:02:33,825 INFO L140 encePairwiseOnDemand]: 178/186 looper letters, 25 selfloop transitions, 7 changer transitions 3/38 dead transitions. [2023-11-06 22:02:33,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 38 transitions, 194 flow [2023-11-06 22:02:33,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:02:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:02:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 363 transitions. [2023-11-06 22:02:33,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4879032258064516 [2023-11-06 22:02:33,828 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 363 transitions. [2023-11-06 22:02:33,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 363 transitions. [2023-11-06 22:02:33,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:33,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 363 transitions. [2023-11-06 22:02:33,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 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 22:02:33,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 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 22:02:33,833 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 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 22:02:33,834 INFO L175 Difference]: Start difference. First operand has 32 places, 23 transitions, 82 flow. Second operand 4 states and 363 transitions. [2023-11-06 22:02:33,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 38 transitions, 194 flow [2023-11-06 22:02:33,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 38 transitions, 189 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:02:33,836 INFO L231 Difference]: Finished difference. Result has 34 places, 23 transitions, 105 flow [2023-11-06 22:02:33,836 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=105, PETRI_PLACES=34, PETRI_TRANSITIONS=23} [2023-11-06 22:02:33,837 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-11-06 22:02:33,838 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 23 transitions, 105 flow [2023-11-06 22:02:33,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 22:02:33,839 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:33,839 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:33,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:02:33,839 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 22:02:33,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:33,840 INFO L85 PathProgramCache]: Analyzing trace with hash 288530341, now seen corresponding path program 1 times [2023-11-06 22:02:33,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:33,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785255894] [2023-11-06 22:02:33,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:33,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:33,979 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 22:02:33,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:33,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785255894] [2023-11-06 22:02:33,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785255894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:33,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:33,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:02:33,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70282135] [2023-11-06 22:02:33,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:33,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:02:33,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:33,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:02:33,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:02:33,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 186 [2023-11-06 22:02:33,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 23 transitions, 105 flow. Second operand has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 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 22:02:33,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:33,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 186 [2023-11-06 22:02:33,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:34,071 INFO L124 PetriNetUnfolderBase]: 54/113 cut-off events. [2023-11-06 22:02:34,071 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2023-11-06 22:02:34,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 113 events. 54/113 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 338 event pairs, 15 based on Foata normal form. 9/119 useless extension candidates. Maximal degree in co-relation 352. Up to 48 conditions per place. [2023-11-06 22:02:34,072 INFO L140 encePairwiseOnDemand]: 178/186 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2023-11-06 22:02:34,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 163 flow [2023-11-06 22:02:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:02:34,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:02:34,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 436 transitions. [2023-11-06 22:02:34,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46881720430107526 [2023-11-06 22:02:34,076 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 436 transitions. [2023-11-06 22:02:34,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 436 transitions. [2023-11-06 22:02:34,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:34,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 436 transitions. [2023-11-06 22:02:34,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 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 22:02:34,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 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 22:02:34,083 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 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 22:02:34,083 INFO L175 Difference]: Start difference. First operand has 34 places, 23 transitions, 105 flow. Second operand 5 states and 436 transitions. [2023-11-06 22:02:34,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 163 flow [2023-11-06 22:02:34,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 139 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-06 22:02:34,085 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2023-11-06 22:02:34,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2023-11-06 22:02:34,087 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -4 predicate places. [2023-11-06 22:02:34,087 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2023-11-06 22:02:34,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 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 22:02:34,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-06 22:02:34,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-06 22:02:34,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-06 22:02:34,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-06 22:02:34,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-06 22:02:34,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-06 22:02:34,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-06 22:02:34,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-06 22:02:34,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-06 22:02:34,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-06 22:02:34,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-06 22:02:34,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-06 22:02:34,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-06 22:02:34,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-06 22:02:34,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-06 22:02:34,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:02:34,096 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:02:34,104 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:02:34,104 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:02:34,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:02:34 BasicIcfg [2023-11-06 22:02:34,115 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:02:34,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:02:34,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:02:34,122 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:02:34,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:29" (3/4) ... [2023-11-06 22:02:34,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:02:34,128 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-06 22:02:34,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-06 22:02:34,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-06 22:02:34,137 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-06 22:02:34,138 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:02:34,138 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:02:34,139 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:02:34,209 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:02:34,210 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:02:34,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:02:34,211 INFO L158 Benchmark]: Toolchain (without parser) took 6406.49ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 99.7MB in the beginning and 95.4MB in the end (delta: 4.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-11-06 22:02:34,211 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:34,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.75ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 79.0MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:02:34,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.94ms. Allocated memory is still 146.8MB. Free memory was 79.0MB in the beginning and 77.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:02:34,212 INFO L158 Benchmark]: Boogie Preprocessor took 34.60ms. Allocated memory is still 146.8MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:02:34,212 INFO L158 Benchmark]: RCFGBuilder took 640.67ms. Allocated memory is still 146.8MB. Free memory was 75.5MB in the beginning and 59.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:02:34,213 INFO L158 Benchmark]: TraceAbstraction took 4902.65ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 58.7MB in the beginning and 98.5MB in the end (delta: -39.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-06 22:02:34,213 INFO L158 Benchmark]: Witness Printer took 94.67ms. Allocated memory is still 197.1MB. Free memory was 98.5MB in the beginning and 95.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:02:34,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.75ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 79.0MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.94ms. Allocated memory is still 146.8MB. Free memory was 79.0MB in the beginning and 77.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.60ms. Allocated memory is still 146.8MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.67ms. Allocated memory is still 146.8MB. Free memory was 75.5MB in the beginning and 59.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4902.65ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 58.7MB in the beginning and 98.5MB in the end (delta: -39.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 94.67ms. Allocated memory is still 197.1MB. Free memory was 98.5MB in the beginning and 95.4MB in the end (delta: 3.1MB). 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: 3.0s, 102 PlacesBefore, 33 PlacesAfterwards, 95 TransitionsBefore, 24 TransitionsAfterwards, 2448 CoEnabledTransitionPairs, 8 FixpointIterations, 19 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 2 ChoiceCompositions, 88 TotalNumberOfCompositions, 7877 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2880, independent: 2645, independent conditional: 0, independent unconditional: 2645, dependent: 235, dependent conditional: 0, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1363, independent: 1320, independent conditional: 0, independent unconditional: 1320, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2880, independent: 1325, independent conditional: 0, independent unconditional: 1325, dependent: 192, dependent conditional: 0, dependent unconditional: 192, unknown: 1363, unknown conditional: 0, unknown unconditional: 1363] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: 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, 126 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: 4.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 5 mSDtfsCounter, 184 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=105occurred 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, 0.5s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 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 22:02:34,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf637c58-fc51-41e5-bb94-dfec1d465ebf/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