./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:40:23,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:40:23,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:40:23,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:40:23,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:40:23,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:40:23,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:40:23,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:40:23,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:40:23,974 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:40:23,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:40:23,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:40:23,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:40:23,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:40:23,975 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:40:23,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:40:23,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:40:23,975 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:40:23,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:40:23,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:40:23,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:40:23,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:40:23,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:40:23,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:40:23,976 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:40:23,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:40:23,976 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:40:23,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:40:23,977 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:40:23,977 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:40:23,977 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:40:23,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:40:23,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:40:23,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:40:23,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:40:23,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:40:23,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:40:23,978 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:40:23,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:40:23,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:40:23,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:40:23,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:40:23,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:40:23,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:40:23,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:40:23,979 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2025-03-09 06:40:24,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:40:24,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:40:24,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:40:24,202 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:40:24,202 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:40:24,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2025-03-09 06:40:25,328 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679cac51e/dd8c0d2e9e67482ea3f471435488c8e4/FLAGdb171ed01 [2025-03-09 06:40:25,564 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:40:25,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2025-03-09 06:40:25,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679cac51e/dd8c0d2e9e67482ea3f471435488c8e4/FLAGdb171ed01 [2025-03-09 06:40:25,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679cac51e/dd8c0d2e9e67482ea3f471435488c8e4 [2025-03-09 06:40:25,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:40:25,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:40:25,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:40:25,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:40:25,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:40:25,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:40:25" (1/1) ... [2025-03-09 06:40:25,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6853ffe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:25, skipping insertion in model container [2025-03-09 06:40:25,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:40:25" (1/1) ... [2025-03-09 06:40:25,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:40:26,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:40:26,071 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:40:26,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:40:26,120 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:40:26,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26 WrapperNode [2025-03-09 06:40:26,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:40:26,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:40:26,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:40:26,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:40:26,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,167 INFO L138 Inliner]: procedures = 28, calls = 59, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 468 [2025-03-09 06:40:26,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:40:26,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:40:26,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:40:26,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:40:26,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,188 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,209 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2025-03-09 06:40:26,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,220 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:40:26,230 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:40:26,230 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:40:26,230 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:40:26,230 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (1/1) ... [2025-03-09 06:40:26,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:40:26,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:40:26,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 06:40:26,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 06:40:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:40:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:40:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:40:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:40:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:40:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-09 06:40:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-09 06:40:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-09 06:40:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-09 06:40:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-09 06:40:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-09 06:40:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-03-09 06:40:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-03-09 06:40:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:40:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:40:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-03-09 06:40:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-03-09 06:40:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-03-09 06:40:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-03-09 06:40:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-09 06:40:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-09 06:40:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-09 06:40:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:40:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:40:26,282 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 06:40:26,388 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:40:26,390 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:40:26,893 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 06:40:26,893 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:40:27,289 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:40:27,290 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:40:27,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:40:27 BoogieIcfgContainer [2025-03-09 06:40:27,290 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:40:27,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:40:27,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:40:27,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:40:27,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:40:25" (1/3) ... [2025-03-09 06:40:27,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ecb219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:40:27, skipping insertion in model container [2025-03-09 06:40:27,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:40:26" (2/3) ... [2025-03-09 06:40:27,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ecb219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:40:27, skipping insertion in model container [2025-03-09 06:40:27,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:40:27" (3/3) ... [2025-03-09 06:40:27,301 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2025-03-09 06:40:27,315 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:40:27,316 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-2.wvr.c that has 7 procedures, 112 locations, 1 initial locations, 5 loop locations, and 48 error locations. [2025-03-09 06:40:27,317 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 06:40:27,465 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-03-09 06:40:27,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 146 transitions, 358 flow [2025-03-09 06:40:27,542 INFO L124 PetriNetUnfolderBase]: 13/118 cut-off events. [2025-03-09 06:40:27,544 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-09 06:40:27,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 118 events. 13/118 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 453 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 121. Up to 3 conditions per place. [2025-03-09 06:40:27,551 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 146 transitions, 358 flow [2025-03-09 06:40:27,558 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 116 transitions, 277 flow [2025-03-09 06:40:27,563 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:40:27,573 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50af36ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:40:27,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2025-03-09 06:40:27,577 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:40:27,577 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2025-03-09 06:40:27,577 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 06:40:27,577 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:40:27,578 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1] [2025-03-09 06:40:27,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-03-09 06:40:27,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:40:27,581 INFO L85 PathProgramCache]: Analyzing trace with hash 44435, now seen corresponding path program 1 times [2025-03-09 06:40:27,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:40:27,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788177732] [2025-03-09 06:40:27,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:40:27,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:40:27,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:40:27,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:40:27,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:40:27,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:40:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:40:27,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:40:27,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788177732] [2025-03-09 06:40:27,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788177732] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:40:27,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:40:27,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:40:27,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484714838] [2025-03-09 06:40:27,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:40:27,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:40:27,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:40:27,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:40:27,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:40:27,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 150 [2025-03-09 06:40:27,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 116 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2025-03-09 06:40:27,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:40:27,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 150 [2025-03-09 06:40:27,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand