./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl --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 7ebc335b60b8cdd623e40ee7c2c99e8e082656d42f1fdf6911dd5259073d8a45 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:13,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:13,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:33:13,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:13,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:13,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:13,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:13,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:13,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:33:13,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:33:13,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:13,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:13,617 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:13,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:13,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:33:13,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:33:13,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:13,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:33:13,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:13,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:33:13,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:33:13,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:33:13,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:33:13,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:33:13,634 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:33:13,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:13,635 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:13,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:13,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:13,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:33:13,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:13,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:13,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:33:13,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:33:13,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:13,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:33:13,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:33:13,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:33:13,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:33:13,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:33:13,642 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:33:13,642 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ebc335b60b8cdd623e40ee7c2c99e8e082656d42f1fdf6911dd5259073d8a45 [2023-11-12 02:33:13,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:13,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:14,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:14,004 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:14,004 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:14,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i [2023-11-12 02:33:17,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:17,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:17,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i [2023-11-12 02:33:17,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/data/9c3132cf5/b16a864876db474ea4937ad81ae0f5a7/FLAG7d2e13719 [2023-11-12 02:33:17,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/data/9c3132cf5/b16a864876db474ea4937ad81ae0f5a7 [2023-11-12 02:33:17,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:17,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:17,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:17,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:17,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:17,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:17" (1/1) ... [2023-11-12 02:33:17,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22baae00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:17, skipping insertion in model container [2023-11-12 02:33:17,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:17" (1/1) ... [2023-11-12 02:33:17,578 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:18,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:18,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:18,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:18,232 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:18,232 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:18,239 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:18,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18 WrapperNode [2023-11-12 02:33:18,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:18,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:18,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:18,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:18,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,319 INFO L138 Inliner]: procedures = 176, calls = 63, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 139 [2023-11-12 02:33:18,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:18,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:18,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:18,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:18,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:18,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:18,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:18,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:18,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (1/1) ... [2023-11-12 02:33:18,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:18,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:18,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:18,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:33:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:33:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:33:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:33:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:33:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-12 02:33:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-12 02:33:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-12 02:33:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-12 02:33:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-12 02:33:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-12 02:33:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:33:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:33:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:18,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:18,487 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:33:18,705 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:18,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:19,074 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:19,272 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:19,272 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:33:19,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:19 BoogieIcfgContainer [2023-11-12 02:33:19,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:19,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:19,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:19,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:19,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:33:17" (1/3) ... [2023-11-12 02:33:19,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1f2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:19, skipping insertion in model container [2023-11-12 02:33:19,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:18" (2/3) ... [2023-11-12 02:33:19,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1f2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:19, skipping insertion in model container [2023-11-12 02:33:19,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:19" (3/3) ... [2023-11-12 02:33:19,285 INFO L112 eAbstractionObserver]: Analyzing ICFG mix033_power.oepc_pso.oepc_rmo.oepc.i [2023-11-12 02:33:19,294 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:33:19,306 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:19,307 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-12 02:33:19,307 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:33:19,421 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:33:19,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 128 transitions, 268 flow [2023-11-12 02:33:19,578 INFO L124 PetriNetUnfolderBase]: 3/125 cut-off events. [2023-11-12 02:33:19,578 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:33:19,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 125 events. 3/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2023-11-12 02:33:19,586 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 128 transitions, 268 flow [2023-11-12 02:33:19,593 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 125 transitions, 259 flow [2023-11-12 02:33:19,597 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:33:19,620 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 125 transitions, 259 flow [2023-11-12 02:33:19,622 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 125 transitions, 259 flow [2023-11-12 02:33:19,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 125 transitions, 259 flow [2023-11-12 02:33:19,664 INFO L124 PetriNetUnfolderBase]: 3/125 cut-off events. [2023-11-12 02:33:19,664 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:33:19,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 125 events. 3/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2023-11-12 02:33:19,668 INFO L119 LiptonReduction]: Number of co-enabled transitions 3338 [2023-11-12 02:33:24,612 INFO L134 LiptonReduction]: Checked pairs total: 11036 [2023-11-12 02:33:24,612 INFO L136 LiptonReduction]: Total number of compositions: 111 [2023-11-12 02:33:24,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:33:24,654 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@1dfd191a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:33:24,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-12 02:33:24,672 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:33:24,673 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-11-12 02:33:24,673 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:33:24,673 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:33:24,674 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:33:24,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-12 02:33:24,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:24,680 INFO L85 PathProgramCache]: Analyzing trace with hash -185669678, now seen corresponding path program 1 times [2023-11-12 02:33:24,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:24,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660354896] [2023-11-12 02:33:24,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:24,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:25,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:25,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660354896] [2023-11-12 02:33:25,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660354896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:25,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:25,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 02:33:25,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538555790] [2023-11-12 02:33:25,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:25,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:33:25,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:25,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:33:25,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:33:25,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 239 [2023-11-12 02:33:25,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:33:25,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 239 [2023-11-12 02:33:25,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:33:25,792 INFO L124 PetriNetUnfolderBase]: 1273/1961 cut-off events. [2023-11-12 02:33:25,792 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-12 02:33:25,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3970 conditions, 1961 events. 1273/1961 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9570 event pairs, 444 based on Foata normal form. 0/1649 useless extension candidates. Maximal degree in co-relation 3959. Up to 1382 conditions per place. [2023-11-12 02:33:25,818 INFO L140 encePairwiseOnDemand]: 228/239 looper letters, 40 selfloop transitions, 4 changer transitions 0/47 dead transitions. [2023-11-12 02:33:25,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 47 transitions, 197 flow [2023-11-12 02:33:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:33:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:33:25,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2023-11-12 02:33:25,839 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5118549511854951 [2023-11-12 02:33:25,840 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2023-11-12 02:33:25,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2023-11-12 02:33:25,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:25,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2023-11-12 02:33:25,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,863 INFO L175 Difference]: Start difference. First operand has 39 places, 30 transitions, 69 flow. Second operand 3 states and 367 transitions. [2023-11-12 02:33:25,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 47 transitions, 197 flow [2023-11-12 02:33:25,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 47 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-12 02:33:25,871 INFO L231 Difference]: Finished difference. Result has 39 places, 32 transitions, 100 flow [2023-11-12 02:33:25,872 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=39, PETRI_TRANSITIONS=32} [2023-11-12 02:33:25,875 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 0 predicate places. [2023-11-12 02:33:25,875 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 100 flow [2023-11-12 02:33:25,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:33:25,876 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:25,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:33:25,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-12 02:33:25,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:25,877 INFO L85 PathProgramCache]: Analyzing trace with hash -820735778, now seen corresponding path program 1 times [2023-11-12 02:33:25,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:25,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211049146] [2023-11-12 02:33:25,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:25,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:26,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:26,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211049146] [2023-11-12 02:33:26,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211049146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:26,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:26,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:33:26,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221942661] [2023-11-12 02:33:26,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:26,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:33:26,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:26,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:33:26,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:33:26,067 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 239 [2023-11-12 02:33:26,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:26,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:33:26,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 239 [2023-11-12 02:33:26,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:33:26,529 INFO L124 PetriNetUnfolderBase]: 1043/1591 cut-off events. [2023-11-12 02:33:26,530 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2023-11-12 02:33:26,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3822 conditions, 1591 events. 1043/1591 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 7452 event pairs, 396 based on Foata normal form. 0/1455 useless extension candidates. Maximal degree in co-relation 3811. Up to 1011 conditions per place. [2023-11-12 02:33:26,545 INFO L140 encePairwiseOnDemand]: 232/239 looper letters, 37 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-11-12 02:33:26,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 204 flow [2023-11-12 02:33:26,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:33:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-12 02:33:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 464 transitions. [2023-11-12 02:33:26,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48535564853556484 [2023-11-12 02:33:26,548 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 464 transitions. [2023-11-12 02:33:26,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 464 transitions. [2023-11-12 02:33:26,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:26,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 464 transitions. [2023-11-12 02:33:26,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:26,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:26,564 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:26,564 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 100 flow. Second operand 4 states and 464 transitions. [2023-11-12 02:33:26,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 204 flow [2023-11-12 02:33:26,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 44 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:33:26,569 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 92 flow [2023-11-12 02:33:26,569 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=92, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2023-11-12 02:33:26,570 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -1 predicate places. [2023-11-12 02:33:26,575 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 92 flow [2023-11-12 02:33:26,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:26,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:33:26,577 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:26,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:33:26,577 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-12 02:33:26,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:26,578 INFO L85 PathProgramCache]: Analyzing trace with hash -820735777, now seen corresponding path program 1 times [2023-11-12 02:33:26,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:26,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628836532] [2023-11-12 02:33:26,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:26,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:26,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:26,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628836532] [2023-11-12 02:33:26,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628836532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:26,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:26,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:33:26,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758609371] [2023-11-12 02:33:26,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:26,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:33:26,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:26,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:33:26,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:33:26,774 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 239 [2023-11-12 02:33:26,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:26,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:33:26,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 239 [2023-11-12 02:33:26,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:33:27,153 INFO L124 PetriNetUnfolderBase]: 864/1308 cut-off events. [2023-11-12 02:33:27,153 INFO L125 PetriNetUnfolderBase]: For 430/430 co-relation queries the response was YES. [2023-11-12 02:33:27,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3113 conditions, 1308 events. 864/1308 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 6075 event pairs, 368 based on Foata normal form. 0/1288 useless extension candidates. Maximal degree in co-relation 3101. Up to 573 conditions per place. [2023-11-12 02:33:27,168 INFO L140 encePairwiseOnDemand]: 232/239 looper letters, 47 selfloop transitions, 7 changer transitions 3/60 dead transitions. [2023-11-12 02:33:27,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 60 transitions, 280 flow [2023-11-12 02:33:27,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:33:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-12 02:33:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 480 transitions. [2023-11-12 02:33:27,171 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.502092050209205 [2023-11-12 02:33:27,171 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 480 transitions. [2023-11-12 02:33:27,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 480 transitions. [2023-11-12 02:33:27,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:27,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 480 transitions. [2023-11-12 02:33:27,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,179 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,179 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 92 flow. Second operand 4 states and 480 transitions. [2023-11-12 02:33:27,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 60 transitions, 280 flow [2023-11-12 02:33:27,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 60 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:33:27,183 INFO L231 Difference]: Finished difference. Result has 40 places, 29 transitions, 113 flow [2023-11-12 02:33:27,184 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=113, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2023-11-12 02:33:27,185 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2023-11-12 02:33:27,185 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 113 flow [2023-11-12 02:33:27,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:33:27,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:27,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:33:27,192 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-12 02:33:27,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:27,193 INFO L85 PathProgramCache]: Analyzing trace with hash 944626466, now seen corresponding path program 1 times [2023-11-12 02:33:27,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:27,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030911940] [2023-11-12 02:33:27,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:27,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:27,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:27,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030911940] [2023-11-12 02:33:27,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030911940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:27,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:27,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:33:27,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429153567] [2023-11-12 02:33:27,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:27,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:33:27,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:27,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:33:27,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:33:27,404 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 239 [2023-11-12 02:33:27,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 113 flow. Second operand has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:33:27,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 239 [2023-11-12 02:33:27,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:33:27,760 INFO L124 PetriNetUnfolderBase]: 844/1272 cut-off events. [2023-11-12 02:33:27,760 INFO L125 PetriNetUnfolderBase]: For 900/900 co-relation queries the response was YES. [2023-11-12 02:33:27,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3372 conditions, 1272 events. 844/1272 cut-off events. For 900/900 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5881 event pairs, 368 based on Foata normal form. 12/1276 useless extension candidates. Maximal degree in co-relation 3359. Up to 573 conditions per place. [2023-11-12 02:33:27,766 INFO L140 encePairwiseOnDemand]: 232/239 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2023-11-12 02:33:27,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 54 transitions, 259 flow [2023-11-12 02:33:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:33:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:33:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 579 transitions. [2023-11-12 02:33:27,770 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4845188284518828 [2023-11-12 02:33:27,770 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 579 transitions. [2023-11-12 02:33:27,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 579 transitions. [2023-11-12 02:33:27,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:27,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 579 transitions. [2023-11-12 02:33:27,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,778 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,778 INFO L175 Difference]: Start difference. First operand has 40 places, 29 transitions, 113 flow. Second operand 5 states and 579 transitions. [2023-11-12 02:33:27,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 54 transitions, 259 flow [2023-11-12 02:33:27,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 54 transitions, 235 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-12 02:33:27,783 INFO L231 Difference]: Finished difference. Result has 37 places, 0 transitions, 0 flow [2023-11-12 02:33:27,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=37, PETRI_TRANSITIONS=0} [2023-11-12 02:33:27,784 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -2 predicate places. [2023-11-12 02:33:27,784 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 0 transitions, 0 flow [2023-11-12 02:33:27,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-12 02:33:27,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-12 02:33:27,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-12 02:33:27,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-12 02:33:27,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-12 02:33:27,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-12 02:33:27,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-12 02:33:27,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-12 02:33:27,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-12 02:33:27,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-12 02:33:27,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-12 02:33:27,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-12 02:33:27,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-12 02:33:27,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-12 02:33:27,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-12 02:33:27,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:33:27,792 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:33:27,797 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:33:27,797 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:33:27,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:33:27 BasicIcfg [2023-11-12 02:33:27,802 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:33:27,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:33:27,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:33:27,803 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:33:27,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:19" (3/4) ... [2023-11-12 02:33:27,805 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:33:27,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-12 02:33:27,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-12 02:33:27,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-12 02:33:27,814 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-12 02:33:27,814 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-12 02:33:27,814 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:33:27,815 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:33:27,897 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:33:27,897 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:33:27,897 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:33:27,898 INFO L158 Benchmark]: Toolchain (without parser) took 10378.79ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 145.3MB in the beginning and 151.6MB in the end (delta: -6.3MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2023-11-12 02:33:27,898 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 176.2MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:27,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.17ms. Allocated memory is still 176.2MB. Free memory was 145.3MB in the beginning and 121.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:27,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.57ms. Allocated memory is still 176.2MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:27,900 INFO L158 Benchmark]: Boogie Preprocessor took 72.62ms. Allocated memory is still 176.2MB. Free memory was 119.6MB in the beginning and 117.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:27,900 INFO L158 Benchmark]: RCFGBuilder took 882.72ms. Allocated memory is still 176.2MB. Free memory was 117.2MB in the beginning and 77.6MB in the end (delta: 39.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-12 02:33:27,900 INFO L158 Benchmark]: TraceAbstraction took 8523.78ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 77.1MB in the beginning and 155.8MB in the end (delta: -78.7MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2023-11-12 02:33:27,901 INFO L158 Benchmark]: Witness Printer took 95.12ms. Allocated memory is still 255.9MB. Free memory was 155.8MB in the beginning and 151.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:33:27,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 176.2MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.17ms. Allocated memory is still 176.2MB. Free memory was 145.3MB in the beginning and 121.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.57ms. Allocated memory is still 176.2MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.62ms. Allocated memory is still 176.2MB. Free memory was 119.6MB in the beginning and 117.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 882.72ms. Allocated memory is still 176.2MB. Free memory was 117.2MB in the beginning and 77.6MB in the end (delta: 39.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8523.78ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 77.1MB in the beginning and 155.8MB in the end (delta: -78.7MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Witness Printer took 95.12ms. Allocated memory is still 255.9MB. Free memory was 155.8MB in the beginning and 151.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 132 PlacesBefore, 39 PlacesAfterwards, 125 TransitionsBefore, 30 TransitionsAfterwards, 3338 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 2 ChoiceCompositions, 111 TotalNumberOfCompositions, 11036 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4720, independent: 4413, independent conditional: 0, independent unconditional: 4413, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1905, independent: 1839, independent conditional: 0, independent unconditional: 1839, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4720, independent: 2574, independent conditional: 0, independent unconditional: 2574, dependent: 241, dependent conditional: 0, dependent unconditional: 241, unknown: 1905, unknown conditional: 0, unknown unconditional: 1905] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 168, Positive conditional cache size: 0, Positive unconditional cache size: 168, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 163 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: 8.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 4 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:33:27,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2d5f21-6c67-4baa-9e6e-1c8b6c93df9a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE