./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 9bd2c7ff 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_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/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_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu --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 9565dcbef2b519c6326563c41ab6633c2e0b59b7d9ee2c8626de0cd3767b77b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:37:57,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:37:57,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:37:57,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:37:57,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:37:57,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:37:57,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:37:57,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:37:57,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:37:57,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:37:57,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:37:57,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:37:57,905 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:37:57,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:37:57,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:37:57,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:37:57,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:37:57,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:37:57,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:37:57,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:37:57,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:37:57,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:37:57,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:37:57,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:37:57,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:37:57,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:37:57,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:37:57,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:37:57,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:37:57,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:37:57,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:57,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:37:57,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:37:57,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:37:57,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:37:57,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:37:57,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:37:57,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:37:57,927 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:37:57,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:37:57,928 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:37:57,928 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_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9565dcbef2b519c6326563c41ab6633c2e0b59b7d9ee2c8626de0cd3767b77b1 [2023-11-19 07:37:58,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:37:58,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:37:58,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:37:58,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:37:58,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:37:58,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2023-11-19 07:38:01,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:01,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:01,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2023-11-19 07:38:01,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/data/15a96cfa6/01c079508c9047588bfdb24ba7d7e77e/FLAGd7fe012aa [2023-11-19 07:38:01,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/data/15a96cfa6/01c079508c9047588bfdb24ba7d7e77e [2023-11-19 07:38:01,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:01,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:01,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:01,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:01,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:01,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:01" (1/1) ... [2023-11-19 07:38:01,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4d4045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:01, skipping insertion in model container [2023-11-19 07:38:01,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:01" (1/1) ... [2023-11-19 07:38:01,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:02,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:02,257 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:02,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:02,422 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:02,422 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:02,430 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:02,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02 WrapperNode [2023-11-19 07:38:02,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:02,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:02,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:02,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:02,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,535 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 167 [2023-11-19 07:38:02,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:02,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:02,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:02,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:02,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:02,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:02,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:02,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:02,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (1/1) ... [2023-11-19 07:38:02,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:02,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:02,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:02,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:38:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:38:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:38:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:38:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 07:38:02,704 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 07:38:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 07:38:02,704 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 07:38:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 07:38:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 07:38:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 07:38:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 07:38:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:38:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:02,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:02,710 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:38:02,911 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:02,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:03,417 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:03,607 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:03,607 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:38:03,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:03 BoogieIcfgContainer [2023-11-19 07:38:03,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:03,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:03,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:03,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:03,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:01" (1/3) ... [2023-11-19 07:38:03,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a818b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:03, skipping insertion in model container [2023-11-19 07:38:03,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:02" (2/3) ... [2023-11-19 07:38:03,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a818b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:03, skipping insertion in model container [2023-11-19 07:38:03,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:03" (3/3) ... [2023-11-19 07:38:03,622 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_power.opt_pso.opt_rmo.opt.i [2023-11-19 07:38:03,631 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:38:03,643 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:03,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:38:03,643 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:38:03,710 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:38:03,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 143 transitions, 302 flow [2023-11-19 07:38:03,817 INFO L124 PetriNetUnfolderBase]: 3/139 cut-off events. [2023-11-19 07:38:03,818 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:38:03,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 139 events. 3/139 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2023-11-19 07:38:03,826 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 143 transitions, 302 flow [2023-11-19 07:38:03,832 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 139 transitions, 290 flow [2023-11-19 07:38:03,836 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:38:03,847 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 139 transitions, 290 flow [2023-11-19 07:38:03,851 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 139 transitions, 290 flow [2023-11-19 07:38:03,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 139 transitions, 290 flow [2023-11-19 07:38:03,887 INFO L124 PetriNetUnfolderBase]: 3/139 cut-off events. [2023-11-19 07:38:03,887 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:38:03,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 139 events. 3/139 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. 0/128 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2023-11-19 07:38:03,893 INFO L119 LiptonReduction]: Number of co-enabled transitions 4668 [2023-11-19 07:38:09,467 INFO L134 LiptonReduction]: Checked pairs total: 13941 [2023-11-19 07:38:09,468 INFO L136 LiptonReduction]: Total number of compositions: 116 [2023-11-19 07:38:09,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:09,519 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;@7b7fce73, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:09,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-19 07:38:09,523 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:38:09,523 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-19 07:38:09,523 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:38:09,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:09,524 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:38:09,524 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 07:38:09,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:09,529 INFO L85 PathProgramCache]: Analyzing trace with hash 606181336, now seen corresponding path program 1 times [2023-11-19 07:38:09,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:09,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596794153] [2023-11-19 07:38:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:09,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:09,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:09,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596794153] [2023-11-19 07:38:09,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596794153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:09,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:09,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:38:09,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306094417] [2023-11-19 07:38:09,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:09,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:09,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:09,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:09,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:09,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 259 [2023-11-19 07:38:09,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 35 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2023-11-19 07:38:09,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:09,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 259 [2023-11-19 07:38:09,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:12,142 INFO L124 PetriNetUnfolderBase]: 8379/11750 cut-off events. [2023-11-19 07:38:12,143 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2023-11-19 07:38:12,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23714 conditions, 11750 events. 8379/11750 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 64292 event pairs, 2390 based on Foata normal form. 0/8564 useless extension candidates. Maximal degree in co-relation 23702. Up to 10350 conditions per place. [2023-11-19 07:38:12,270 INFO L140 encePairwiseOnDemand]: 246/259 looper letters, 47 selfloop transitions, 5 changer transitions 0/56 dead transitions. [2023-11-19 07:38:12,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 56 transitions, 237 flow [2023-11-19 07:38:12,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:38:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2023-11-19 07:38:12,291 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.525096525096525 [2023-11-19 07:38:12,292 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2023-11-19 07:38:12,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2023-11-19 07:38:12,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:12,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2023-11-19 07:38:12,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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) [2023-11-19 07:38:12,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 259.0) internal successors, (1036), 4 states have internal predecessors, (1036), 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) [2023-11-19 07:38:12,309 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 259.0) internal successors, (1036), 4 states have internal predecessors, (1036), 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) [2023-11-19 07:38:12,311 INFO L175 Difference]: Start difference. First operand has 48 places, 35 transitions, 82 flow. Second operand 3 states and 408 transitions. [2023-11-19 07:38:12,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 56 transitions, 237 flow [2023-11-19 07:38:12,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 56 transitions, 230 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:38:12,320 INFO L231 Difference]: Finished difference. Result has 47 places, 39 transitions, 125 flow [2023-11-19 07:38:12,322 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2023-11-19 07:38:12,326 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2023-11-19 07:38:12,327 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 125 flow [2023-11-19 07:38:12,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2023-11-19 07:38:12,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:12,328 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:12,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:12,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 07:38:12,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:12,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1263251062, now seen corresponding path program 1 times [2023-11-19 07:38:12,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:12,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591902511] [2023-11-19 07:38:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:12,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:12,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:12,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591902511] [2023-11-19 07:38:12,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591902511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:12,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:12,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:12,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277177335] [2023-11-19 07:38:12,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:12,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:38:12,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:12,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:38:12,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:12,579 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 259 [2023-11-19 07:38:12,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 125 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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) [2023-11-19 07:38:12,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:12,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 259 [2023-11-19 07:38:12,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:13,879 INFO L124 PetriNetUnfolderBase]: 5187/7286 cut-off events. [2023-11-19 07:38:13,880 INFO L125 PetriNetUnfolderBase]: For 447/447 co-relation queries the response was YES. [2023-11-19 07:38:13,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17789 conditions, 7286 events. 5187/7286 cut-off events. For 447/447 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 37757 event pairs, 1390 based on Foata normal form. 0/6130 useless extension candidates. Maximal degree in co-relation 17778. Up to 5885 conditions per place. [2023-11-19 07:38:13,939 INFO L140 encePairwiseOnDemand]: 250/259 looper letters, 43 selfloop transitions, 5 changer transitions 0/52 dead transitions. [2023-11-19 07:38:13,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 52 transitions, 245 flow [2023-11-19 07:38:13,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:38:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:38:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 516 transitions. [2023-11-19 07:38:13,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4980694980694981 [2023-11-19 07:38:13,945 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 516 transitions. [2023-11-19 07:38:13,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 516 transitions. [2023-11-19 07:38:13,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:13,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 516 transitions. [2023-11-19 07:38:13,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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) [2023-11-19 07:38:13,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 259.0) internal successors, (1295), 5 states have internal predecessors, (1295), 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) [2023-11-19 07:38:13,952 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 259.0) internal successors, (1295), 5 states have internal predecessors, (1295), 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) [2023-11-19 07:38:13,953 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 125 flow. Second operand 4 states and 516 transitions. [2023-11-19 07:38:13,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 52 transitions, 245 flow [2023-11-19 07:38:13,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 240 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:38:13,956 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 114 flow [2023-11-19 07:38:13,957 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2023-11-19 07:38:13,958 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2023-11-19 07:38:13,958 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 114 flow [2023-11-19 07:38:13,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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) [2023-11-19 07:38:13,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:13,959 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:13,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:38:13,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 07:38:13,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1263251063, now seen corresponding path program 1 times [2023-11-19 07:38:13,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:13,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010509538] [2023-11-19 07:38:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:13,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:14,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:14,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010509538] [2023-11-19 07:38:14,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010509538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:14,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:14,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:14,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111627489] [2023-11-19 07:38:14,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:14,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:38:14,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:14,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:38:14,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:14,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 259 [2023-11-19 07:38:14,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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) [2023-11-19 07:38:14,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:14,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 259 [2023-11-19 07:38:14,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:15,227 INFO L124 PetriNetUnfolderBase]: 3471/4932 cut-off events. [2023-11-19 07:38:15,227 INFO L125 PetriNetUnfolderBase]: For 1394/1394 co-relation queries the response was YES. [2023-11-19 07:38:15,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11868 conditions, 4932 events. 3471/4932 cut-off events. For 1394/1394 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 24727 event pairs, 964 based on Foata normal form. 0/4615 useless extension candidates. Maximal degree in co-relation 11856. Up to 1836 conditions per place. [2023-11-19 07:38:15,263 INFO L140 encePairwiseOnDemand]: 250/259 looper letters, 58 selfloop transitions, 9 changer transitions 0/71 dead transitions. [2023-11-19 07:38:15,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 71 transitions, 338 flow [2023-11-19 07:38:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:38:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:38:15,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 535 transitions. [2023-11-19 07:38:15,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5164092664092664 [2023-11-19 07:38:15,266 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 535 transitions. [2023-11-19 07:38:15,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 535 transitions. [2023-11-19 07:38:15,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:15,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 535 transitions. [2023-11-19 07:38:15,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 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) [2023-11-19 07:38:15,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 259.0) internal successors, (1295), 5 states have internal predecessors, (1295), 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) [2023-11-19 07:38:15,274 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 259.0) internal successors, (1295), 5 states have internal predecessors, (1295), 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) [2023-11-19 07:38:15,274 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 114 flow. Second operand 4 states and 535 transitions. [2023-11-19 07:38:15,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 71 transitions, 338 flow [2023-11-19 07:38:15,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 71 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:38:15,280 INFO L231 Difference]: Finished difference. Result has 47 places, 39 transitions, 166 flow [2023-11-19 07:38:15,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=166, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2023-11-19 07:38:15,281 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2023-11-19 07:38:15,281 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 166 flow [2023-11-19 07:38:15,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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) [2023-11-19 07:38:15,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:15,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:15,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:38:15,283 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 07:38:15,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:15,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1220736014, now seen corresponding path program 1 times [2023-11-19 07:38:15,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:15,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885053498] [2023-11-19 07:38:15,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:15,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:15,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:15,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885053498] [2023-11-19 07:38:15,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885053498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:15,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:15,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:38:15,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137997912] [2023-11-19 07:38:15,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:15,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:15,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:15,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:15,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:15,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 259 [2023-11-19 07:38:15,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 166 flow. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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) [2023-11-19 07:38:15,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:15,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 259 [2023-11-19 07:38:15,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:16,307 INFO L124 PetriNetUnfolderBase]: 3171/4458 cut-off events. [2023-11-19 07:38:16,308 INFO L125 PetriNetUnfolderBase]: For 2841/2841 co-relation queries the response was YES. [2023-11-19 07:38:16,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12295 conditions, 4458 events. 3171/4458 cut-off events. For 2841/2841 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 21927 event pairs, 920 based on Foata normal form. 0/4339 useless extension candidates. Maximal degree in co-relation 12282. Up to 1836 conditions per place. [2023-11-19 07:38:16,340 INFO L140 encePairwiseOnDemand]: 250/259 looper letters, 67 selfloop transitions, 13 changer transitions 4/88 dead transitions. [2023-11-19 07:38:16,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 88 transitions, 460 flow [2023-11-19 07:38:16,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:16,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 07:38:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 668 transitions. [2023-11-19 07:38:16,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5158301158301158 [2023-11-19 07:38:16,344 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 668 transitions. [2023-11-19 07:38:16,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 668 transitions. [2023-11-19 07:38:16,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:16,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 668 transitions. [2023-11-19 07:38:16,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.6) internal successors, (668), 5 states have internal predecessors, (668), 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) [2023-11-19 07:38:16,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 259.0) internal successors, (1554), 6 states have internal predecessors, (1554), 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) [2023-11-19 07:38:16,352 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 259.0) internal successors, (1554), 6 states have internal predecessors, (1554), 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) [2023-11-19 07:38:16,353 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 166 flow. Second operand 5 states and 668 transitions. [2023-11-19 07:38:16,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 88 transitions, 460 flow [2023-11-19 07:38:16,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 88 transitions, 442 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-11-19 07:38:16,363 INFO L231 Difference]: Finished difference. Result has 50 places, 39 transitions, 190 flow [2023-11-19 07:38:16,363 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=190, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2023-11-19 07:38:16,364 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, 2 predicate places. [2023-11-19 07:38:16,364 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 190 flow [2023-11-19 07:38:16,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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) [2023-11-19 07:38:16,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:16,365 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] [2023-11-19 07:38:16,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:38:16,366 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 07:38:16,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:16,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1550640704, now seen corresponding path program 1 times [2023-11-19 07:38:16,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:16,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226217736] [2023-11-19 07:38:16,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:16,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:16,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:16,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226217736] [2023-11-19 07:38:16,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226217736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:16,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:16,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:16,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363999341] [2023-11-19 07:38:16,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:16,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:16,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:16,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:16,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:16,574 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 259 [2023-11-19 07:38:16,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 119.33333333333333) internal successors, (716), 6 states have internal predecessors, (716), 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) [2023-11-19 07:38:16,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:16,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 259 [2023-11-19 07:38:16,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:17,302 INFO L124 PetriNetUnfolderBase]: 3144/4411 cut-off events. [2023-11-19 07:38:17,302 INFO L125 PetriNetUnfolderBase]: For 3463/3463 co-relation queries the response was YES. [2023-11-19 07:38:17,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12466 conditions, 4411 events. 3144/4411 cut-off events. For 3463/3463 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 21776 event pairs, 920 based on Foata normal form. 16/4324 useless extension candidates. Maximal degree in co-relation 12452. Up to 1836 conditions per place. [2023-11-19 07:38:17,320 INFO L140 encePairwiseOnDemand]: 250/259 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2023-11-19 07:38:17,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 80 transitions, 412 flow [2023-11-19 07:38:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:38:17,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:38:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 776 transitions. [2023-11-19 07:38:17,324 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49935649935649934 [2023-11-19 07:38:17,325 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 776 transitions. [2023-11-19 07:38:17,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 776 transitions. [2023-11-19 07:38:17,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:17,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 776 transitions. [2023-11-19 07:38:17,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 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) [2023-11-19 07:38:17,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 259.0) internal successors, (1813), 7 states have internal predecessors, (1813), 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) [2023-11-19 07:38:17,334 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 259.0) internal successors, (1813), 7 states have internal predecessors, (1813), 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) [2023-11-19 07:38:17,334 INFO L175 Difference]: Start difference. First operand has 50 places, 39 transitions, 190 flow. Second operand 6 states and 776 transitions. [2023-11-19 07:38:17,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 80 transitions, 412 flow [2023-11-19 07:38:17,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 80 transitions, 357 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-11-19 07:38:17,422 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2023-11-19 07:38:17,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2023-11-19 07:38:17,423 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2023-11-19 07:38:17,423 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2023-11-19 07:38:17,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.33333333333333) internal successors, (716), 6 states have internal predecessors, (716), 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) [2023-11-19 07:38:17,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-19 07:38:17,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-19 07:38:17,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-19 07:38:17,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-19 07:38:17,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-19 07:38:17,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-19 07:38:17,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-19 07:38:17,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-19 07:38:17,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-19 07:38:17,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-19 07:38:17,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-19 07:38:17,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-19 07:38:17,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-19 07:38:17,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-19 07:38:17,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-19 07:38:17,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-19 07:38:17,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-19 07:38:17,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-19 07:38:17,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-19 07:38:17,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-19 07:38:17,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:38:17,436 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:38:17,442 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:38:17,442 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:38:17,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:38:17 BasicIcfg [2023-11-19 07:38:17,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:38:17,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:38:17,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:38:17,447 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:38:17,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:03" (3/4) ... [2023-11-19 07:38:17,450 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:38:17,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-19 07:38:17,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-19 07:38:17,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-19 07:38:17,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-11-19 07:38:17,459 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-19 07:38:17,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 07:38:17,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:38:17,461 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:38:17,577 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:38:17,577 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:38:17,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:38:17,578 INFO L158 Benchmark]: Toolchain (without parser) took 15867.83ms. Allocated memory was 169.9MB in the beginning and 652.2MB in the end (delta: 482.3MB). Free memory was 137.5MB in the beginning and 410.4MB in the end (delta: -272.9MB). Peak memory consumption was 209.2MB. Max. memory is 16.1GB. [2023-11-19 07:38:17,579 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:17,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.71ms. Allocated memory is still 169.9MB. Free memory was 137.3MB in the beginning and 116.9MB in the end (delta: 20.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-19 07:38:17,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.00ms. Allocated memory is still 169.9MB. Free memory was 116.9MB in the beginning and 114.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:17,580 INFO L158 Benchmark]: Boogie Preprocessor took 74.71ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 111.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:17,580 INFO L158 Benchmark]: RCFGBuilder took 1000.38ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 104.4MB in the end (delta: 7.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:38:17,581 INFO L158 Benchmark]: TraceAbstraction took 13831.65ms. Allocated memory was 169.9MB in the beginning and 652.2MB in the end (delta: 482.3MB). Free memory was 104.2MB in the beginning and 415.6MB in the end (delta: -311.4MB). Peak memory consumption was 444.6MB. Max. memory is 16.1GB. [2023-11-19 07:38:17,581 INFO L158 Benchmark]: Witness Printer took 130.80ms. Allocated memory is still 652.2MB. Free memory was 415.6MB in the beginning and 410.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:38:17,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.71ms. Allocated memory is still 169.9MB. Free memory was 137.3MB in the beginning and 116.9MB in the end (delta: 20.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.00ms. Allocated memory is still 169.9MB. Free memory was 116.9MB in the beginning and 114.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.71ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 111.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.38ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 104.4MB in the end (delta: 7.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13831.65ms. Allocated memory was 169.9MB in the beginning and 652.2MB in the end (delta: 482.3MB). Free memory was 104.2MB in the beginning and 415.6MB in the end (delta: -311.4MB). Peak memory consumption was 444.6MB. Max. memory is 16.1GB. * Witness Printer took 130.80ms. Allocated memory is still 652.2MB. Free memory was 415.6MB in the beginning and 410.4MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 149 PlacesBefore, 48 PlacesAfterwards, 139 TransitionsBefore, 35 TransitionsAfterwards, 4668 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 3 ChoiceCompositions, 116 TotalNumberOfCompositions, 13941 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5580, independent: 5280, independent conditional: 0, independent unconditional: 5280, dependent: 300, dependent conditional: 0, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2505, independent: 2432, independent conditional: 0, independent unconditional: 2432, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5580, independent: 2848, independent conditional: 0, independent unconditional: 2848, dependent: 227, dependent conditional: 0, dependent unconditional: 227, unknown: 2505, unknown conditional: 0, unknown unconditional: 2505] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 166, Positive conditional cache size: 0, Positive unconditional cache size: 166, 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, 186 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: 13.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 423 IncrementalHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 4 mSDtfsCounter, 423 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=190occurred in iteration=4, 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, 0.1s 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! [2023-11-19 07:38:17,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963fe4e0-996f-4e5d-af36-15f08293b28d/bin/uautomizer-verify-uCwYo4JHxu/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