./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9565dcbef2b519c6326563c41ab6633c2e0b59b7d9ee2c8626de0cd3767b77b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:51,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:51,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 23:11:51,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:51,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:51,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:51,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:51,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:51,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:51,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:51,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:51,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:51,824 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:51,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:51,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:51,826 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:51,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:51,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:51,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:51,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:51,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:51,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:51,831 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:11:51,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:11:51,832 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:51,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:51,832 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:51,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:51,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:51,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:51,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:51,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:51,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:51,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:51,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:51,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:51,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:51,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:51,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:51,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:51,838 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:51,838 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_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9565dcbef2b519c6326563c41ab6633c2e0b59b7d9ee2c8626de0cd3767b77b1 [2023-11-06 23:11:52,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:52,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:52,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:52,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:52,181 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:52,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2023-11-06 23:11:55,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:55,624 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:55,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2023-11-06 23:11:55,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/data/2cf8c84be/1dd4374fd9384b50ab5b47d6fb9f3103/FLAG530ce38fa [2023-11-06 23:11:55,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/data/2cf8c84be/1dd4374fd9384b50ab5b47d6fb9f3103 [2023-11-06 23:11:55,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:55,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:55,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:55,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:55,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:55,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:55" (1/1) ... [2023-11-06 23:11:55,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa34d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:55, skipping insertion in model container [2023-11-06 23:11:55,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:55" (1/1) ... [2023-11-06 23:11:55,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:56,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:56,255 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:56,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:56,405 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:56,405 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:56,413 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:56,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56 WrapperNode [2023-11-06 23:11:56,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:56,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:56,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:56,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:56,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,518 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 167 [2023-11-06 23:11:56,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:56,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:56,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:56,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:56,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:56,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:56,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:56,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:56,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (1/1) ... [2023-11-06 23:11:56,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:56,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:56,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:56,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:11:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:11:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:11:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:11:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 23:11:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 23:11:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 23:11:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 23:11:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 23:11:56,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 23:11:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-06 23:11:56,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-06 23:11:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:11:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:56,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:56,671 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:11:56,834 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:56,836 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:57,375 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:57,551 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:57,551 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:11:57,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:57 BoogieIcfgContainer [2023-11-06 23:11:57,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:57,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:57,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:57,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:57,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:55" (1/3) ... [2023-11-06 23:11:57,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea2b838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:57, skipping insertion in model container [2023-11-06 23:11:57,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:56" (2/3) ... [2023-11-06 23:11:57,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea2b838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:57, skipping insertion in model container [2023-11-06 23:11:57,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:57" (3/3) ... [2023-11-06 23:11:57,570 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_power.opt_pso.opt_rmo.opt.i [2023-11-06 23:11:57,581 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:11:57,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:57,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-06 23:11:57,592 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:11:57,686 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 23:11:57,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 142 transitions, 300 flow [2023-11-06 23:11:57,813 INFO L124 PetriNetUnfolderBase]: 3/138 cut-off events. [2023-11-06 23:11:57,813 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:57,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 138 events. 3/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2023-11-06 23:11:57,823 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 142 transitions, 300 flow [2023-11-06 23:11:57,829 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 138 transitions, 288 flow [2023-11-06 23:11:57,834 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:11:57,845 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 138 transitions, 288 flow [2023-11-06 23:11:57,848 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 138 transitions, 288 flow [2023-11-06 23:11:57,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 138 transitions, 288 flow [2023-11-06 23:11:57,892 INFO L124 PetriNetUnfolderBase]: 3/138 cut-off events. [2023-11-06 23:11:57,892 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:57,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 138 events. 3/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 107 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2023-11-06 23:11:57,898 INFO L119 LiptonReduction]: Number of co-enabled transitions 4492 [2023-11-06 23:12:02,827 INFO L134 LiptonReduction]: Checked pairs total: 15944 [2023-11-06 23:12:02,827 INFO L136 LiptonReduction]: Total number of compositions: 114 [2023-11-06 23:12:02,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:12:02,870 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25d0c7e4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:12:02,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-06 23:12:02,878 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:12:02,878 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-06 23:12:02,879 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:12:02,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:02,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:12:02,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:12:02,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:02,886 INFO L85 PathProgramCache]: Analyzing trace with hash 589031995, now seen corresponding path program 1 times [2023-11-06 23:12:02,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:02,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802298331] [2023-11-06 23:12:02,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:02,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:03,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:03,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802298331] [2023-11-06 23:12:03,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802298331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:03,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:03,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:12:03,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604359398] [2023-11-06 23:12:03,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:03,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:12:03,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:03,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:12:03,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:12:03,354 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 256 [2023-11-06 23:12:03,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 37 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:03,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:03,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 256 [2023-11-06 23:12:03,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:05,414 INFO L124 PetriNetUnfolderBase]: 8709/12167 cut-off events. [2023-11-06 23:12:05,416 INFO L125 PetriNetUnfolderBase]: For 107/107 co-relation queries the response was YES. [2023-11-06 23:12:05,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24523 conditions, 12167 events. 8709/12167 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 70017 event pairs, 2437 based on Foata normal form. 0/8655 useless extension candidates. Maximal degree in co-relation 24511. Up to 11088 conditions per place. [2023-11-06 23:12:05,580 INFO L140 encePairwiseOnDemand]: 242/256 looper letters, 47 selfloop transitions, 5 changer transitions 0/57 dead transitions. [2023-11-06 23:12:05,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 57 transitions, 239 flow [2023-11-06 23:12:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:12:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:12:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 407 transitions. [2023-11-06 23:12:05,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5299479166666666 [2023-11-06 23:12:05,603 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 407 transitions. [2023-11-06 23:12:05,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 407 transitions. [2023-11-06 23:12:05,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:05,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 407 transitions. [2023-11-06 23:12:05,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:05,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 256.0) internal successors, (1024), 4 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:05,627 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 256.0) internal successors, (1024), 4 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:05,629 INFO L175 Difference]: Start difference. First operand has 49 places, 37 transitions, 86 flow. Second operand 3 states and 407 transitions. [2023-11-06 23:12:05,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 57 transitions, 239 flow [2023-11-06 23:12:05,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 57 transitions, 232 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:12:05,638 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 127 flow [2023-11-06 23:12:05,641 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2023-11-06 23:12:05,645 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2023-11-06 23:12:05,645 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 127 flow [2023-11-06 23:12:05,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:05,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:05,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:05,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:12:05,647 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:12:05,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:05,648 INFO L85 PathProgramCache]: Analyzing trace with hash -798105358, now seen corresponding path program 1 times [2023-11-06 23:12:05,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:05,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786221939] [2023-11-06 23:12:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:05,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:05,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:05,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786221939] [2023-11-06 23:12:05,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786221939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:05,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:05,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:12:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062012313] [2023-11-06 23:12:05,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:05,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:12:05,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:05,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:12:05,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:12:05,837 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 256 [2023-11-06 23:12:05,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 127 flow. Second operand has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:05,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:05,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 256 [2023-11-06 23:12:05,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:07,359 INFO L124 PetriNetUnfolderBase]: 5737/8337 cut-off events. [2023-11-06 23:12:07,360 INFO L125 PetriNetUnfolderBase]: For 425/425 co-relation queries the response was YES. [2023-11-06 23:12:07,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20561 conditions, 8337 events. 5737/8337 cut-off events. For 425/425 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 48173 event pairs, 1005 based on Foata normal form. 0/6701 useless extension candidates. Maximal degree in co-relation 20550. Up to 4495 conditions per place. [2023-11-06 23:12:07,440 INFO L140 encePairwiseOnDemand]: 243/256 looper letters, 62 selfloop transitions, 13 changer transitions 0/80 dead transitions. [2023-11-06 23:12:07,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 80 transitions, 383 flow [2023-11-06 23:12:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:12:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 23:12:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 539 transitions. [2023-11-06 23:12:07,444 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5263671875 [2023-11-06 23:12:07,445 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 539 transitions. [2023-11-06 23:12:07,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 539 transitions. [2023-11-06 23:12:07,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:07,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 539 transitions. [2023-11-06 23:12:07,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 134.75) internal successors, (539), 4 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:07,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 256.0) internal successors, (1280), 5 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:07,456 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 256.0) internal successors, (1280), 5 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:07,457 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 127 flow. Second operand 4 states and 539 transitions. [2023-11-06 23:12:07,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 80 transitions, 383 flow [2023-11-06 23:12:07,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 80 transitions, 378 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:12:07,462 INFO L231 Difference]: Finished difference. Result has 52 places, 48 transitions, 225 flow [2023-11-06 23:12:07,469 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=225, PETRI_PLACES=52, PETRI_TRANSITIONS=48} [2023-11-06 23:12:07,470 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, 3 predicate places. [2023-11-06 23:12:07,470 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 48 transitions, 225 flow [2023-11-06 23:12:07,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:07,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:07,471 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:07,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:12:07,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:12:07,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:07,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1811982299, now seen corresponding path program 1 times [2023-11-06 23:12:07,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:07,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787587568] [2023-11-06 23:12:07,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:07,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:07,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:07,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787587568] [2023-11-06 23:12:07,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787587568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:07,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:07,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:12:07,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592733442] [2023-11-06 23:12:07,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:07,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:12:07,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:07,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:12:07,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:12:07,630 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 256 [2023-11-06 23:12:07,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 225 flow. Second operand has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:07,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:07,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 256 [2023-11-06 23:12:07,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:08,475 INFO L124 PetriNetUnfolderBase]: 3228/4589 cut-off events. [2023-11-06 23:12:08,475 INFO L125 PetriNetUnfolderBase]: For 3704/3704 co-relation queries the response was YES. [2023-11-06 23:12:08,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12647 conditions, 4589 events. 3228/4589 cut-off events. For 3704/3704 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 23138 event pairs, 759 based on Foata normal form. 737/5009 useless extension candidates. Maximal degree in co-relation 12633. Up to 3509 conditions per place. [2023-11-06 23:12:08,516 INFO L140 encePairwiseOnDemand]: 247/256 looper letters, 47 selfloop transitions, 5 changer transitions 0/57 dead transitions. [2023-11-06 23:12:08,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 57 transitions, 313 flow [2023-11-06 23:12:08,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:12:08,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 23:12:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 512 transitions. [2023-11-06 23:12:08,519 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-11-06 23:12:08,519 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 512 transitions. [2023-11-06 23:12:08,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 512 transitions. [2023-11-06 23:12:08,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:08,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 512 transitions. [2023-11-06 23:12:08,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:08,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 256.0) internal successors, (1280), 5 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:08,526 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 256.0) internal successors, (1280), 5 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:08,526 INFO L175 Difference]: Start difference. First operand has 52 places, 48 transitions, 225 flow. Second operand 4 states and 512 transitions. [2023-11-06 23:12:08,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 57 transitions, 313 flow [2023-11-06 23:12:08,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 57 transitions, 290 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-11-06 23:12:08,656 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 156 flow [2023-11-06 23:12:08,656 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2023-11-06 23:12:08,658 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2023-11-06 23:12:08,658 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 156 flow [2023-11-06 23:12:08,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:08,659 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:08,659 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:08,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:12:08,665 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:12:08,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:08,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1949376317, now seen corresponding path program 1 times [2023-11-06 23:12:08,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:08,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306491995] [2023-11-06 23:12:08,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:08,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:08,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:08,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306491995] [2023-11-06 23:12:08,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306491995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:08,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:08,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:12:08,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365825938] [2023-11-06 23:12:08,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:08,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:12:08,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:08,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:12:08,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:12:08,894 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 256 [2023-11-06 23:12:08,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 156 flow. Second operand has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:08,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:08,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 256 [2023-11-06 23:12:08,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:09,790 INFO L124 PetriNetUnfolderBase]: 2871/4031 cut-off events. [2023-11-06 23:12:09,791 INFO L125 PetriNetUnfolderBase]: For 2823/2823 co-relation queries the response was YES. [2023-11-06 23:12:09,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10429 conditions, 4031 events. 2871/4031 cut-off events. For 2823/2823 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 19699 event pairs, 704 based on Foata normal form. 0/3947 useless extension candidates. Maximal degree in co-relation 10416. Up to 1660 conditions per place. [2023-11-06 23:12:09,824 INFO L140 encePairwiseOnDemand]: 247/256 looper letters, 67 selfloop transitions, 13 changer transitions 4/89 dead transitions. [2023-11-06 23:12:09,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 89 transitions, 450 flow [2023-11-06 23:12:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:12:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 23:12:09,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 663 transitions. [2023-11-06 23:12:09,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.51796875 [2023-11-06 23:12:09,829 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 663 transitions. [2023-11-06 23:12:09,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 663 transitions. [2023-11-06 23:12:09,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:09,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 663 transitions. [2023-11-06 23:12:09,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:09,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 256.0) internal successors, (1536), 6 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:09,837 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 256.0) internal successors, (1536), 6 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:09,838 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 156 flow. Second operand 5 states and 663 transitions. [2023-11-06 23:12:09,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 89 transitions, 450 flow [2023-11-06 23:12:09,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 89 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:12:09,844 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 192 flow [2023-11-06 23:12:09,844 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=192, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2023-11-06 23:12:09,845 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2023-11-06 23:12:09,845 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 192 flow [2023-11-06 23:12:09,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:09,846 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:09,846 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, 1, 1] [2023-11-06 23:12:09,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:12:09,847 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:12:09,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:09,847 INFO L85 PathProgramCache]: Analyzing trace with hash 729580804, now seen corresponding path program 1 times [2023-11-06 23:12:09,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:09,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14623328] [2023-11-06 23:12:09,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:09,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:10,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:10,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14623328] [2023-11-06 23:12:10,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14623328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:10,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:10,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:12:10,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552470634] [2023-11-06 23:12:10,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:10,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:12:10,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:10,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:12:10,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:12:10,047 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 256 [2023-11-06 23:12:10,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:10,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:10,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 256 [2023-11-06 23:12:10,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:10,880 INFO L124 PetriNetUnfolderBase]: 2836/3971 cut-off events. [2023-11-06 23:12:10,880 INFO L125 PetriNetUnfolderBase]: For 3309/3309 co-relation queries the response was YES. [2023-11-06 23:12:10,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11517 conditions, 3971 events. 2836/3971 cut-off events. For 3309/3309 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 19507 event pairs, 704 based on Foata normal form. 20/3927 useless extension candidates. Maximal degree in co-relation 11503. Up to 1660 conditions per place. [2023-11-06 23:12:10,896 INFO L140 encePairwiseOnDemand]: 247/256 looper letters, 0 selfloop transitions, 0 changer transitions 81/81 dead transitions. [2023-11-06 23:12:10,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 81 transitions, 414 flow [2023-11-06 23:12:10,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:12:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 770 transitions. [2023-11-06 23:12:10,899 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5013020833333334 [2023-11-06 23:12:10,899 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 770 transitions. [2023-11-06 23:12:10,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 770 transitions. [2023-11-06 23:12:10,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:10,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 770 transitions. [2023-11-06 23:12:10,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.33333333333334) internal successors, (770), 6 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:10,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 256.0) internal successors, (1792), 7 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:10,908 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 256.0) internal successors, (1792), 7 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:10,908 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 192 flow. Second operand 6 states and 770 transitions. [2023-11-06 23:12:10,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 81 transitions, 414 flow [2023-11-06 23:12:11,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 81 transitions, 359 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-11-06 23:12:11,016 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2023-11-06 23:12:11,016 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2023-11-06 23:12:11,017 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2023-11-06 23:12:11,017 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2023-11-06 23:12:11,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:11,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-06 23:12:11,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-06 23:12:11,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-06 23:12:11,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-06 23:12:11,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-06 23:12:11,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-06 23:12:11,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-06 23:12:11,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-06 23:12:11,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-06 23:12:11,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-06 23:12:11,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-06 23:12:11,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-06 23:12:11,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-06 23:12:11,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-06 23:12:11,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-06 23:12:11,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-06 23:12:11,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-06 23:12:11,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-06 23:12:11,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-06 23:12:11,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-06 23:12:11,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:12:11,024 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 23:12:11,030 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:12:11,030 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:12:11,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:12:11 BasicIcfg [2023-11-06 23:12:11,034 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:12:11,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:12:11,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:12:11,035 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:12:11,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:57" (3/4) ... [2023-11-06 23:12:11,037 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:12:11,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-06 23:12:11,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-06 23:12:11,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-06 23:12:11,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-11-06 23:12:11,047 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-06 23:12:11,047 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-06 23:12:11,047 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:12:11,048 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:12:11,136 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:12:11,137 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:12:11,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:12:11,137 INFO L158 Benchmark]: Toolchain (without parser) took 15475.55ms. Allocated memory was 169.9MB in the beginning and 771.8MB in the end (delta: 601.9MB). Free memory was 132.9MB in the beginning and 480.5MB in the end (delta: -347.7MB). Peak memory consumption was 255.6MB. Max. memory is 16.1GB. [2023-11-06 23:12:11,138 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:12:11,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.40ms. Allocated memory is still 169.9MB. Free memory was 132.9MB in the beginning and 108.9MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 23:12:11,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.68ms. Allocated memory is still 169.9MB. Free memory was 108.9MB in the beginning and 106.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:12:11,139 INFO L158 Benchmark]: Boogie Preprocessor took 71.56ms. Allocated memory is still 169.9MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:12:11,139 INFO L158 Benchmark]: RCFGBuilder took 961.34ms. Allocated memory is still 169.9MB. Free memory was 104.0MB in the beginning and 119.9MB in the end (delta: -15.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-06 23:12:11,139 INFO L158 Benchmark]: TraceAbstraction took 13474.73ms. Allocated memory was 169.9MB in the beginning and 771.8MB in the end (delta: 601.9MB). Free memory was 119.2MB in the beginning and 484.7MB in the end (delta: -365.5MB). Peak memory consumption was 415.3MB. Max. memory is 16.1GB. [2023-11-06 23:12:11,140 INFO L158 Benchmark]: Witness Printer took 101.99ms. Allocated memory is still 771.8MB. Free memory was 484.7MB in the beginning and 480.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:12:11,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.40ms. Allocated memory is still 169.9MB. Free memory was 132.9MB in the beginning and 108.9MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.68ms. Allocated memory is still 169.9MB. Free memory was 108.9MB in the beginning and 106.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.56ms. Allocated memory is still 169.9MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 961.34ms. Allocated memory is still 169.9MB. Free memory was 104.0MB in the beginning and 119.9MB in the end (delta: -15.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13474.73ms. Allocated memory was 169.9MB in the beginning and 771.8MB in the end (delta: 601.9MB). Free memory was 119.2MB in the beginning and 484.7MB in the end (delta: -365.5MB). Peak memory consumption was 415.3MB. Max. memory is 16.1GB. * Witness Printer took 101.99ms. Allocated memory is still 771.8MB. Free memory was 484.7MB in the beginning and 480.5MB 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, 148 PlacesBefore, 49 PlacesAfterwards, 138 TransitionsBefore, 37 TransitionsAfterwards, 4492 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 114 TotalNumberOfCompositions, 15944 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4862, independent: 4509, independent conditional: 0, independent unconditional: 4509, dependent: 353, dependent conditional: 0, dependent unconditional: 353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2303, independent: 2243, independent conditional: 0, independent unconditional: 2243, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4862, independent: 2266, independent conditional: 0, independent unconditional: 2266, dependent: 293, dependent conditional: 0, dependent unconditional: 293, unknown: 2303, unknown conditional: 0, unknown unconditional: 2303] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 153, Positive conditional cache size: 0, Positive unconditional cache size: 153, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: 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 9 procedures, 184 locations, 20 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: 13.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 432 IncrementalHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 6 mSDtfsCounter, 432 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=2, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 23:12:11,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8714bc-0cde-46fa-b7b1-dc5116feb26c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE