./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix033_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix033_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB --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 e61e21f5d7e6e4d5f8f06eb5177c457338190644d81fa4e1ee7a1000b79020da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:42:51,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:42:51,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:42:51,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:42:51,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:42:51,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:42:51,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:42:51,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:42:51,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:42:51,307 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:42:51,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:42:51,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:42:51,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:42:51,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:42:51,310 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:42:51,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:42:51,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:42:51,311 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:42:51,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:42:51,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:42:51,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:42:51,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:42:51,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:42:51,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:42:51,312 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:42:51,313 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:42:51,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:42:51,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:42:51,313 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:42:51,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:42:51,313 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:42:51,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:42:51,314 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:42:51,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:42:51,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:51,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:42:51,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:42:51,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:42:51,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:42:51,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:51,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:42:51,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:42:51,316 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:42:51,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:42:51,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:42:51,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:42:51,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:42:51,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:42:51,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:42:51,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:42:51,317 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB 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 -> e61e21f5d7e6e4d5f8f06eb5177c457338190644d81fa4e1ee7a1000b79020da [2024-11-28 04:42:51,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:42:51,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:42:51,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:42:51,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:42:51,736 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:42:51,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix033_tso.oepc.i [2024-11-28 04:42:55,020 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/data/812494e88/d0c4f9c1794543fca00c162f572c8494/FLAG74bdd31c0 [2024-11-28 04:42:55,414 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:42:55,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/sv-benchmarks/c/pthread-wmm/mix033_tso.oepc.i [2024-11-28 04:42:55,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/data/812494e88/d0c4f9c1794543fca00c162f572c8494/FLAG74bdd31c0 [2024-11-28 04:42:55,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/data/812494e88/d0c4f9c1794543fca00c162f572c8494 [2024-11-28 04:42:55,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:42:55,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:42:55,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:42:55,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:42:55,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:42:55,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:55" (1/1) ... [2024-11-28 04:42:55,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315debf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:55, skipping insertion in model container [2024-11-28 04:42:55,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:55" (1/1) ... [2024-11-28 04:42:55,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:42:55,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:42:55,987 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:42:56,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:42:56,117 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:42:56,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56 WrapperNode [2024-11-28 04:42:56,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:42:56,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:42:56,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:42:56,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:42:56,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,186 INFO L138 Inliner]: procedures = 175, calls = 51, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 150 [2024-11-28 04:42:56,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:42:56,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:42:56,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:42:56,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:42:56,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,238 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:42:56,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,260 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:42:56,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:42:56,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:42:56,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:42:56,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (1/1) ... [2024-11-28 04:42:56,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:56,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:42:56,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:42:56,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:42:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:42:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:42:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 04:42:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 04:42:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 04:42:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 04:42:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 04:42:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 04:42:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:42:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:42:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:42:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:42:56,378 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:42:56,601 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:42:56,603 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:42:57,137 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:42:57,137 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:42:57,436 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:42:57,437 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:42:57,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:57 BoogieIcfgContainer [2024-11-28 04:42:57,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:42:57,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:42:57,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:42:57,446 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:42:57,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:42:55" (1/3) ... [2024-11-28 04:42:57,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f00bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:57, skipping insertion in model container [2024-11-28 04:42:57,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56" (2/3) ... [2024-11-28 04:42:57,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f00bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:57, skipping insertion in model container [2024-11-28 04:42:57,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:57" (3/3) ... [2024-11-28 04:42:57,450 INFO L128 eAbstractionObserver]: Analyzing ICFG mix033_tso.oepc.i [2024-11-28 04:42:57,470 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:42:57,473 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix033_tso.oepc.i that has 4 procedures, 44 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-11-28 04:42:57,474 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:42:57,560 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:42:57,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 98 flow [2024-11-28 04:42:57,664 INFO L124 PetriNetUnfolderBase]: 0/40 cut-off events. [2024-11-28 04:42:57,668 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:42:57,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 89 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-28 04:42:57,673 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 43 transitions, 98 flow [2024-11-28 04:42:57,679 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 40 transitions, 89 flow [2024-11-28 04:42:57,695 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:42:57,722 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;@402e9344, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:42:57,722 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-28 04:42:57,734 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:42:57,735 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-11-28 04:42:57,736 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:42:57,736 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:42:57,737 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:42:57,737 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-28 04:42:57,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:57,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1590152434, now seen corresponding path program 1 times [2024-11-28 04:42:57,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:57,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303028780] [2024-11-28 04:42:57,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:57,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:42:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:42:58,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:42:58,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303028780] [2024-11-28 04:42:58,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303028780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:42:58,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:42:58,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:42:58,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417686343] [2024-11-28 04:42:58,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:42:58,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:42:58,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:42:58,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:42:58,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:42:58,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-11-28 04:42:58,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:42:58,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:42:58,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-11-28 04:42:58,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:42:59,604 INFO L124 PetriNetUnfolderBase]: 2501/3723 cut-off events. [2024-11-28 04:42:59,605 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 04:42:59,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7464 conditions, 3723 events. 2501/3723 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 20822 event pairs, 893 based on Foata normal form. 0/2843 useless extension candidates. Maximal degree in co-relation 7453. Up to 3457 conditions per place. [2024-11-28 04:42:59,649 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 39 selfloop transitions, 4 changer transitions 0/56 dead transitions. [2024-11-28 04:42:59,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 56 transitions, 213 flow [2024-11-28 04:42:59,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:42:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:42:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-11-28 04:42:59,664 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.751937984496124 [2024-11-28 04:42:59,666 INFO L175 Difference]: Start difference. First operand has 50 places, 40 transitions, 89 flow. Second operand 3 states and 97 transitions. [2024-11-28 04:42:59,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 56 transitions, 213 flow [2024-11-28 04:42:59,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 56 transitions, 208 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 04:42:59,680 INFO L231 Difference]: Finished difference. Result has 50 places, 43 transitions, 122 flow [2024-11-28 04:42:59,683 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=50, PETRI_TRANSITIONS=43} [2024-11-28 04:42:59,687 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 0 predicate places. [2024-11-28 04:42:59,687 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 122 flow [2024-11-28 04:42:59,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:42:59,687 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:42:59,688 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:42:59,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:42:59,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-28 04:42:59,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:59,689 INFO L85 PathProgramCache]: Analyzing trace with hash 85708368, now seen corresponding path program 1 times [2024-11-28 04:42:59,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:59,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266613745] [2024-11-28 04:42:59,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:59,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:42:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:00,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:00,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266613745] [2024-11-28 04:43:00,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266613745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:00,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:00,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:00,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712206690] [2024-11-28 04:43:00,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:00,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:00,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:00,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:00,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:00,061 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-11-28 04:43:00,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 43 transitions, 122 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:00,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:00,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-11-28 04:43:00,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:00,757 INFO L124 PetriNetUnfolderBase]: 1713/2579 cut-off events. [2024-11-28 04:43:00,758 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2024-11-28 04:43:00,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6024 conditions, 2579 events. 1713/2579 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 13956 event pairs, 535 based on Foata normal form. 0/2173 useless extension candidates. Maximal degree in co-relation 6013. Up to 2312 conditions per place. [2024-11-28 04:43:00,774 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 36 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2024-11-28 04:43:00,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 53 transitions, 220 flow [2024-11-28 04:43:00,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:43:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:43:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2024-11-28 04:43:00,775 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.622093023255814 [2024-11-28 04:43:00,776 INFO L175 Difference]: Start difference. First operand has 50 places, 43 transitions, 122 flow. Second operand 4 states and 107 transitions. [2024-11-28 04:43:00,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 53 transitions, 220 flow [2024-11-28 04:43:00,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 53 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:43:00,783 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 114 flow [2024-11-28 04:43:00,783 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-11-28 04:43:00,784 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2024-11-28 04:43:00,784 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 114 flow [2024-11-28 04:43:00,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:00,785 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:00,785 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:00,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:43:00,786 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-28 04:43:00,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:00,788 INFO L85 PathProgramCache]: Analyzing trace with hash 85708369, now seen corresponding path program 1 times [2024-11-28 04:43:00,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:00,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391726605] [2024-11-28 04:43:00,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:00,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:00,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:00,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391726605] [2024-11-28 04:43:00,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391726605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:00,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:00,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:00,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233990232] [2024-11-28 04:43:00,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:00,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:00,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:00,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:00,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:00,986 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-11-28 04:43:00,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:00,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:00,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-11-28 04:43:00,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:01,477 INFO L124 PetriNetUnfolderBase]: 1225/1879 cut-off events. [2024-11-28 04:43:01,477 INFO L125 PetriNetUnfolderBase]: For 430/430 co-relation queries the response was YES. [2024-11-28 04:43:01,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4297 conditions, 1879 events. 1225/1879 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9844 event pairs, 185 based on Foata normal form. 0/1732 useless extension candidates. Maximal degree in co-relation 4285. Up to 985 conditions per place. [2024-11-28 04:43:01,489 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 47 selfloop transitions, 7 changer transitions 3/70 dead transitions. [2024-11-28 04:43:01,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 70 transitions, 300 flow [2024-11-28 04:43:01,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:43:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:43:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2024-11-28 04:43:01,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7209302325581395 [2024-11-28 04:43:01,493 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 114 flow. Second operand 4 states and 124 transitions. [2024-11-28 04:43:01,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 70 transitions, 300 flow [2024-11-28 04:43:01,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 70 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:01,495 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 135 flow [2024-11-28 04:43:01,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2024-11-28 04:43:01,496 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2024-11-28 04:43:01,496 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 135 flow [2024-11-28 04:43:01,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:01,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:01,497 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:01,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:43:01,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-28 04:43:01,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:01,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1081184226, now seen corresponding path program 1 times [2024-11-28 04:43:01,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:01,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653132291] [2024-11-28 04:43:01,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:01,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:01,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:01,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653132291] [2024-11-28 04:43:01,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653132291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:01,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:01,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:43:01,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779315158] [2024-11-28 04:43:01,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:01,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:43:01,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:01,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:43:01,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:01,800 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-11-28 04:43:01,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 135 flow. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:01,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:01,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-11-28 04:43:01,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:02,379 INFO L124 PetriNetUnfolderBase]: 957/1491 cut-off events. [2024-11-28 04:43:02,379 INFO L125 PetriNetUnfolderBase]: For 993/993 co-relation queries the response was YES. [2024-11-28 04:43:02,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3838 conditions, 1491 events. 957/1491 cut-off events. For 993/993 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 8269 event pairs, 125 based on Foata normal form. 72/1488 useless extension candidates. Maximal degree in co-relation 3825. Up to 628 conditions per place. [2024-11-28 04:43:02,388 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions. [2024-11-28 04:43:02,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 64 transitions, 279 flow [2024-11-28 04:43:02,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:43:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:43:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 134 transitions. [2024-11-28 04:43:02,391 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6232558139534884 [2024-11-28 04:43:02,391 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 135 flow. Second operand 5 states and 134 transitions. [2024-11-28 04:43:02,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 64 transitions, 279 flow [2024-11-28 04:43:02,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 64 transitions, 255 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-28 04:43:02,398 INFO L231 Difference]: Finished difference. Result has 48 places, 0 transitions, 0 flow [2024-11-28 04:43:02,398 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=48, PETRI_TRANSITIONS=0} [2024-11-28 04:43:02,399 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2024-11-28 04:43:02,399 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 0 transitions, 0 flow [2024-11-28 04:43:02,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:02,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-28 04:43:02,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-28 04:43:02,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-28 04:43:02,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-28 04:43:02,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-28 04:43:02,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-28 04:43:02,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-28 04:43:02,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-28 04:43:02,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-28 04:43:02,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-28 04:43:02,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-28 04:43:02,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-28 04:43:02,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-28 04:43:02,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-28 04:43:02,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-28 04:43:02,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:43:02,409 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 04:43:02,416 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:43:02,417 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:43:02,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:43:02 BasicIcfg [2024-11-28 04:43:02,428 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:43:02,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:43:02,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:43:02,430 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:43:02,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:57" (3/4) ... [2024-11-28 04:43:02,434 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:43:02,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-28 04:43:02,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-28 04:43:02,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-28 04:43:02,448 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 90 nodes and edges [2024-11-28 04:43:02,449 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 04:43:02,449 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:43:02,449 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 04:43:02,567 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:43:02,568 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:43:02,568 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:43:02,569 INFO L158 Benchmark]: Toolchain (without parser) took 7100.06ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 91.5MB in the beginning and 179.4MB in the end (delta: -87.9MB). Peak memory consumption was 137.4MB. Max. memory is 16.1GB. [2024-11-28 04:43:02,570 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:43:02,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.68ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 67.8MB in the end (delta: 23.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:43:02,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.46ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:43:02,571 INFO L158 Benchmark]: Boogie Preprocessor took 94.15ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 62.2MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:43:02,571 INFO L158 Benchmark]: RCFGBuilder took 1155.39ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 61.4MB in the end (delta: 860.4kB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-28 04:43:02,572 INFO L158 Benchmark]: TraceAbstraction took 4987.98ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 60.8MB in the beginning and 183.7MB in the end (delta: -122.9MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. [2024-11-28 04:43:02,572 INFO L158 Benchmark]: Witness Printer took 138.32ms. Allocated memory is still 343.9MB. Free memory was 183.7MB in the beginning and 179.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:43:02,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.68ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 67.8MB in the end (delta: 23.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.46ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 94.15ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 62.2MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1155.39ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 61.4MB in the end (delta: 860.4kB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4987.98ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 60.8MB in the beginning and 183.7MB in the end (delta: -122.9MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. * Witness Printer took 138.32ms. Allocated memory is still 343.9MB. Free memory was 183.7MB in the beginning and 179.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 825]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 825]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 78 locations, 15 error locations. Started 1 CEGAR loops. 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: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 270 IncrementalHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 2 mSDtfsCounter, 270 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=135occurred 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:43:02,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991fe363-6ff3-4a3a-add5-8ccc6cf3c045/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE