./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ --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 a86612b573a63cde2c4106f45bf8b3ea66989a894eb80420a80ff8b17f8f03d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:42:50,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:42:50,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-23 22:42:50,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:42:50,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:42:50,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:42:50,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:42:50,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:42:50,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:42:50,391 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:42:50,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:42:50,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:42:50,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:42:50,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:42:50,395 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:42:50,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:42:50,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:42:50,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:42:50,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:42:50,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:42:50,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:42:50,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:42:50,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:42:50,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:42:50,399 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 22:42:50,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:42:50,399 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:42:50,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:42:50,400 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:42:50,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:42:50,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:42:50,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:42:50,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:42:50,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:42:50,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:42:50,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:42:50,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:42:50,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:42:50,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:42:50,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:42:50,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:42:50,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:42:50,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:42:50,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:42:50,406 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_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a86612b573a63cde2c4106f45bf8b3ea66989a894eb80420a80ff8b17f8f03d1 [2023-11-23 22:42:50,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:42:50,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:42:50,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:42:50,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:42:50,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:42:50,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i [2023-11-23 22:42:53,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:42:54,326 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:42:54,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/sv-benchmarks/c/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i [2023-11-23 22:42:54,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/data/23cb51d3e/c79fee1fda32475896bf950f03e4da6a/FLAG93d944269 [2023-11-23 22:42:54,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/data/23cb51d3e/c79fee1fda32475896bf950f03e4da6a [2023-11-23 22:42:54,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:42:54,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:42:54,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:42:54,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:42:54,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:42:54,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:54" (1/1) ... [2023-11-23 22:42:54,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed4be87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:54, skipping insertion in model container [2023-11-23 22:42:54,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:54" (1/1) ... [2023-11-23 22:42:54,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:42:54,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:42:55,002 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:42:55,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:42:55,158 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:42:55,158 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:42:55,166 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:42:55,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55 WrapperNode [2023-11-23 22:42:55,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:42:55,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:42:55,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:42:55,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:42:55,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,266 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 152 [2023-11-23 22:42:55,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:42:55,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:42:55,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:42:55,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:42:55,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,294 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,319 INFO L189 HeapSplitter]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1] [2023-11-23 22:42:55,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:42:55,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:42:55,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:42:55,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:42:55,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (1/1) ... [2023-11-23 22:42:55,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:42:55,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:42:55,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:42:55,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:42:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 22:42:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 22:42:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 22:42:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 22:42:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 22:42:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:42:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:42:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:42:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 22:42:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 22:42:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 22:42:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 22:42:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 22:42:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 22:42:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:42:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 22:42:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 22:42:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 22:42:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 22:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:42:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:42:55,489 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 22:42:55,688 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:42:55,691 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:42:56,140 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:42:56,406 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:42:56,406 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 22:42:56,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:56 BoogieIcfgContainer [2023-11-23 22:42:56,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:42:56,410 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:42:56,410 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:42:56,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:42:56,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:42:54" (1/3) ... [2023-11-23 22:42:56,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d26ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:56, skipping insertion in model container [2023-11-23 22:42:56,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55" (2/3) ... [2023-11-23 22:42:56,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d26ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:56, skipping insertion in model container [2023-11-23 22:42:56,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:56" (3/3) ... [2023-11-23 22:42:56,418 INFO L112 eAbstractionObserver]: Analyzing ICFG mix028_power.opt_pso.opt_rmo.opt.i [2023-11-23 22:42:56,428 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 22:42:56,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:42:56,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-23 22:42:56,440 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 22:42:56,494 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-23 22:42:56,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 40 transitions, 92 flow [2023-11-23 22:42:56,570 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2023-11-23 22:42:56,573 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:42:56,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 87 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-23 22:42:56,578 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 40 transitions, 92 flow [2023-11-23 22:42:56,585 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 37 transitions, 83 flow [2023-11-23 22:42:56,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:42:56,618 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;@55557336, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:42:56,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-23 22:42:56,634 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-23 22:42:56,635 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2023-11-23 22:42:56,635 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:42:56,635 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:42:56,636 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:56,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-23 22:42:56,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:56,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1047512529, now seen corresponding path program 1 times [2023-11-23 22:42:56,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:56,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568311999] [2023-11-23 22:42:56,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:57,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:57,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:57,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568311999] [2023-11-23 22:42:57,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568311999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:57,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:57,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 22:42:57,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453653474] [2023-11-23 22:42:57,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:57,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:42:57,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:57,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:42:57,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:57,187 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 40 [2023-11-23 22:42:57,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 83 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-23 22:42:57,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:42:57,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 40 [2023-11-23 22:42:57,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:42:58,188 INFO L124 PetriNetUnfolderBase]: 2501/3713 cut-off events. [2023-11-23 22:42:58,188 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-23 22:42:58,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7454 conditions, 3713 events. 2501/3713 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 20823 event pairs, 893 based on Foata normal form. 0/2871 useless extension candidates. Maximal degree in co-relation 7443. Up to 3457 conditions per place. [2023-11-23 22:42:58,264 INFO L140 encePairwiseOnDemand]: 30/40 looper letters, 39 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2023-11-23 22:42:58,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 53 transitions, 207 flow [2023-11-23 22:42:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:42:58,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:42:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions. [2023-11-23 22:42:58,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2023-11-23 22:42:58,280 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 88 transitions. [2023-11-23 22:42:58,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 88 transitions. [2023-11-23 22:42:58,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:42:58,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 88 transitions. [2023-11-23 22:42:58,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2023-11-23 22:42:58,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2023-11-23 22:42:58,294 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2023-11-23 22:42:58,296 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 83 flow. Second operand 3 states and 88 transitions. [2023-11-23 22:42:58,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 53 transitions, 207 flow [2023-11-23 22:42:58,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 53 transitions, 202 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-23 22:42:58,314 INFO L231 Difference]: Finished difference. Result has 47 places, 40 transitions, 116 flow [2023-11-23 22:42:58,316 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=47, PETRI_TRANSITIONS=40} [2023-11-23 22:42:58,320 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 0 predicate places. [2023-11-23 22:42:58,320 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 116 flow [2023-11-23 22:42:58,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-23 22:42:58,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:42:58,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:58,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:42:58,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-23 22:42:58,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:58,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1857944899, now seen corresponding path program 1 times [2023-11-23 22:42:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:58,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908473293] [2023-11-23 22:42:58,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:58,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:58,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:58,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:58,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908473293] [2023-11-23 22:42:58,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908473293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:58,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:58,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:58,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72161992] [2023-11-23 22:42:58,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:58,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:42:58,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:58,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:42:58,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:42:58,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 40 [2023-11-23 22:42:58,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2023-11-23 22:42:58,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:42:58,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 40 [2023-11-23 22:42:58,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:42:59,114 INFO L124 PetriNetUnfolderBase]: 1713/2569 cut-off events. [2023-11-23 22:42:59,115 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2023-11-23 22:42:59,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6014 conditions, 2569 events. 1713/2569 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 14091 event pairs, 535 based on Foata normal form. 0/2198 useless extension candidates. Maximal degree in co-relation 6003. Up to 2312 conditions per place. [2023-11-23 22:42:59,142 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 36 selfloop transitions, 4 changer transitions 0/50 dead transitions. [2023-11-23 22:42:59,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 50 transitions, 214 flow [2023-11-23 22:42:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:42:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-23 22:42:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 95 transitions. [2023-11-23 22:42:59,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.59375 [2023-11-23 22:42:59,148 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 95 transitions. [2023-11-23 22:42:59,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 95 transitions. [2023-11-23 22:42:59,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:42:59,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 95 transitions. [2023-11-23 22:42:59,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2023-11-23 22:42:59,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 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) [2023-11-23 22:42:59,157 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 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) [2023-11-23 22:42:59,157 INFO L175 Difference]: Start difference. First operand has 47 places, 40 transitions, 116 flow. Second operand 4 states and 95 transitions. [2023-11-23 22:42:59,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 50 transitions, 214 flow [2023-11-23 22:42:59,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 50 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:42:59,164 INFO L231 Difference]: Finished difference. Result has 46 places, 37 transitions, 108 flow [2023-11-23 22:42:59,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=108, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2023-11-23 22:42:59,171 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places. [2023-11-23 22:42:59,171 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 108 flow [2023-11-23 22:42:59,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2023-11-23 22:42:59,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:42:59,172 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:59,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:42:59,173 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-23 22:42:59,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:59,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1857944898, now seen corresponding path program 1 times [2023-11-23 22:42:59,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:59,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954976348] [2023-11-23 22:42:59,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:59,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:59,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:59,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954976348] [2023-11-23 22:42:59,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954976348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:59,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:59,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:59,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360717030] [2023-11-23 22:42:59,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:59,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:42:59,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:59,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:42:59,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:42:59,384 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 40 [2023-11-23 22:42:59,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 108 flow. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2023-11-23 22:42:59,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:42:59,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 40 [2023-11-23 22:42:59,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:42:59,827 INFO L124 PetriNetUnfolderBase]: 1225/1869 cut-off events. [2023-11-23 22:42:59,827 INFO L125 PetriNetUnfolderBase]: For 430/430 co-relation queries the response was YES. [2023-11-23 22:42:59,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4287 conditions, 1869 events. 1225/1869 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9845 event pairs, 185 based on Foata normal form. 0/1754 useless extension candidates. Maximal degree in co-relation 4275. Up to 985 conditions per place. [2023-11-23 22:42:59,844 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 47 selfloop transitions, 7 changer transitions 3/67 dead transitions. [2023-11-23 22:42:59,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 67 transitions, 294 flow [2023-11-23 22:42:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:42:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-23 22:42:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2023-11-23 22:42:59,847 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7 [2023-11-23 22:42:59,847 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 112 transitions. [2023-11-23 22:42:59,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 112 transitions. [2023-11-23 22:42:59,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:42:59,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 112 transitions. [2023-11-23 22:42:59,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2023-11-23 22:42:59,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 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) [2023-11-23 22:42:59,850 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 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) [2023-11-23 22:42:59,850 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 108 flow. Second operand 4 states and 112 transitions. [2023-11-23 22:42:59,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 67 transitions, 294 flow [2023-11-23 22:42:59,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 67 transitions, 289 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:42:59,854 INFO L231 Difference]: Finished difference. Result has 48 places, 37 transitions, 129 flow [2023-11-23 22:42:59,854 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2023-11-23 22:42:59,855 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 1 predicate places. [2023-11-23 22:42:59,855 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 129 flow [2023-11-23 22:42:59,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2023-11-23 22:42:59,856 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:42:59,856 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, 1, 1] [2023-11-23 22:42:59,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:42:59,857 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-23 22:42:59,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:59,857 INFO L85 PathProgramCache]: Analyzing trace with hash -476291825, now seen corresponding path program 1 times [2023-11-23 22:42:59,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:59,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028614331] [2023-11-23 22:42:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:59,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:59,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:59,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028614331] [2023-11-23 22:42:59,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028614331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:59,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:59,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:42:59,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879722542] [2023-11-23 22:42:59,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:59,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:42:59,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:59,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:42:59,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:43:00,000 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 40 [2023-11-23 22:43:00,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2023-11-23 22:43:00,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:43:00,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 40 [2023-11-23 22:43:00,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:43:00,382 INFO L124 PetriNetUnfolderBase]: 957/1481 cut-off events. [2023-11-23 22:43:00,382 INFO L125 PetriNetUnfolderBase]: For 993/993 co-relation queries the response was YES. [2023-11-23 22:43:00,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3828 conditions, 1481 events. 957/1481 cut-off events. For 993/993 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 8238 event pairs, 125 based on Foata normal form. 72/1510 useless extension candidates. Maximal degree in co-relation 3815. Up to 628 conditions per place. [2023-11-23 22:43:00,389 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2023-11-23 22:43:00,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 61 transitions, 273 flow [2023-11-23 22:43:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:43:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-23 22:43:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 119 transitions. [2023-11-23 22:43:00,391 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.595 [2023-11-23 22:43:00,391 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 119 transitions. [2023-11-23 22:43:00,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 119 transitions. [2023-11-23 22:43:00,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:43:00,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 119 transitions. [2023-11-23 22:43:00,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 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) [2023-11-23 22:43:00,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 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) [2023-11-23 22:43:00,394 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 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) [2023-11-23 22:43:00,394 INFO L175 Difference]: Start difference. First operand has 48 places, 37 transitions, 129 flow. Second operand 5 states and 119 transitions. [2023-11-23 22:43:00,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 61 transitions, 273 flow [2023-11-23 22:43:00,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 61 transitions, 249 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-23 22:43:00,398 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2023-11-23 22:43:00,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2023-11-23 22:43:00,399 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -2 predicate places. [2023-11-23 22:43:00,400 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2023-11-23 22:43:00,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2023-11-23 22:43:00,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-23 22:43:00,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-23 22:43:00,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-23 22:43:00,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-23 22:43:00,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-23 22:43:00,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-23 22:43:00,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-23 22:43:00,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-23 22:43:00,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-23 22:43:00,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-23 22:43:00,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-23 22:43:00,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-23 22:43:00,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-23 22:43:00,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-23 22:43:00,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-23 22:43:00,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:43:00,407 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 22:43:00,412 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 22:43:00,413 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:43:00,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:43:00 BasicIcfg [2023-11-23 22:43:00,418 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:43:00,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:43:00,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:43:00,419 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:43:00,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:56" (3/4) ... [2023-11-23 22:43:00,421 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 22:43:00,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-23 22:43:00,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-23 22:43:00,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-23 22:43:00,430 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2023-11-23 22:43:00,431 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-23 22:43:00,431 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 22:43:00,432 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 22:43:00,523 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:43:00,524 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 22:43:00,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:43:00,525 INFO L158 Benchmark]: Toolchain (without parser) took 6154.40ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 90.8MB in the beginning and 129.6MB in the end (delta: -38.9MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2023-11-23 22:43:00,525 INFO L158 Benchmark]: CDTParser took 1.30ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:43:00,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.41ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 67.3MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 22:43:00,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.05ms. Allocated memory is still 134.2MB. Free memory was 67.3MB in the beginning and 64.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:43:00,526 INFO L158 Benchmark]: Boogie Preprocessor took 104.18ms. Allocated memory is still 134.2MB. Free memory was 64.5MB in the beginning and 61.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:43:00,527 INFO L158 Benchmark]: RCFGBuilder took 1034.37ms. Allocated memory is still 134.2MB. Free memory was 61.0MB in the beginning and 75.8MB in the end (delta: -14.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-23 22:43:00,527 INFO L158 Benchmark]: TraceAbstraction took 4008.21ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 75.1MB in the beginning and 134.9MB in the end (delta: -59.8MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2023-11-23 22:43:00,528 INFO L158 Benchmark]: Witness Printer took 105.24ms. Allocated memory is still 251.7MB. Free memory was 134.9MB in the beginning and 129.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:43:00,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.41ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 67.3MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.05ms. Allocated memory is still 134.2MB. Free memory was 67.3MB in the beginning and 64.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.18ms. Allocated memory is still 134.2MB. Free memory was 64.5MB in the beginning and 61.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1034.37ms. Allocated memory is still 134.2MB. Free memory was 61.0MB in the beginning and 75.8MB in the end (delta: -14.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4008.21ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 75.1MB in the beginning and 134.9MB in the end (delta: -59.8MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. * Witness Printer took 105.24ms. Allocated memory is still 251.7MB. Free memory was 134.9MB in the beginning and 129.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: 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, 72 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: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1 mSDtfsCounter, 269 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=129occurred 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, 0.7s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 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! [2023-11-23 22:43:00,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c9c1e06-0b31-4f1d-a3e1-340d882c2126/bin/uautomizer-verify-zZY32mL2XJ/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