./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/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_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/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_3c880604-4b42-45d9-9c72-381f983348d6/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 a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:12,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:12,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:40:12,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:12,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:12,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:12,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:12,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:12,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:12,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:12,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:12,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:12,940 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:12,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:12,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:12,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:40:12,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:12,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:40:12,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:12,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:12,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:12,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:12,947 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:40:12,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:40:12,948 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:40:12,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:12,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:12,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:12,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:12,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:12,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:12,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:12,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:12,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:12,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:12,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:40:12,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:12,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:12,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:12,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:12,956 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:12,956 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_3c880604-4b42-45d9-9c72-381f983348d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 [2023-11-19 07:40:13,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:13,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:13,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:13,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:13,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:13,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 07:40:16,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:16,823 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:16,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 07:40:16,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/data/968f53aa6/ccf3aa1d68b04f0faf3031d34b3286e5/FLAGa220c5af9 [2023-11-19 07:40:16,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/data/968f53aa6/ccf3aa1d68b04f0faf3031d34b3286e5 [2023-11-19 07:40:16,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:16,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:16,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:16,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:16,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:16,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:16" (1/1) ... [2023-11-19 07:40:16,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b095a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:16, skipping insertion in model container [2023-11-19 07:40:16,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:16" (1/1) ... [2023-11-19 07:40:16,950 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:17,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:17,357 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:17,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:17,518 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:17,519 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:17,527 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:17,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17 WrapperNode [2023-11-19 07:40:17,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:17,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:17,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:17,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:17,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,611 INFO L138 Inliner]: procedures = 177, calls = 68, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 166 [2023-11-19 07:40:17,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:17,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:17,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:17,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:17,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:17,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:17,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:17,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:17,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:17,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:17,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:17,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:40:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:40:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:40:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:40:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 07:40:17,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 07:40:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 07:40:17,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 07:40:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 07:40:17,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 07:40:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 07:40:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 07:40:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:40:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:17,769 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 07:40:17,945 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:17,947 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:18,421 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:18,670 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:18,670 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:40:18,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:18 BoogieIcfgContainer [2023-11-19 07:40:18,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:18,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:18,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:18,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:18,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:16" (1/3) ... [2023-11-19 07:40:18,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55231bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:18, skipping insertion in model container [2023-11-19 07:40:18,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (2/3) ... [2023-11-19 07:40:18,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55231bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:18, skipping insertion in model container [2023-11-19 07:40:18,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:18" (3/3) ... [2023-11-19 07:40:18,698 INFO L112 eAbstractionObserver]: Analyzing ICFG mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 07:40:18,708 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:40:18,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:18,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:40:18,722 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:40:18,808 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:40:18,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 141 transitions, 298 flow [2023-11-19 07:40:18,919 INFO L124 PetriNetUnfolderBase]: 3/137 cut-off events. [2023-11-19 07:40:18,920 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:40:18,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 137 events. 3/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 102 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2023-11-19 07:40:18,927 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 141 transitions, 298 flow [2023-11-19 07:40:18,933 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 137 transitions, 286 flow [2023-11-19 07:40:18,937 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:40:18,948 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 137 transitions, 286 flow [2023-11-19 07:40:18,952 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 137 transitions, 286 flow [2023-11-19 07:40:18,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 147 places, 137 transitions, 286 flow [2023-11-19 07:40:18,993 INFO L124 PetriNetUnfolderBase]: 3/137 cut-off events. [2023-11-19 07:40:18,993 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:40:18,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 137 events. 3/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 101 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2023-11-19 07:40:18,999 INFO L119 LiptonReduction]: Number of co-enabled transitions 4536 [2023-11-19 07:40:23,948 INFO L134 LiptonReduction]: Checked pairs total: 12467 [2023-11-19 07:40:23,948 INFO L136 LiptonReduction]: Total number of compositions: 114 [2023-11-19 07:40:23,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:40:23,973 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;@78acee16, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:40:23,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-19 07:40:23,978 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:40:23,978 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-19 07:40:23,978 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:40:23,979 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:23,979 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:40:23,980 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 07:40:23,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:23,986 INFO L85 PathProgramCache]: Analyzing trace with hash 590974025, now seen corresponding path program 1 times [2023-11-19 07:40:23,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:23,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033009591] [2023-11-19 07:40:23,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:23,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:24,280 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 07:40:24,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:24,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033009591] [2023-11-19 07:40:24,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033009591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:24,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:24,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:40:24,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867519469] [2023-11-19 07:40:24,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:24,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:40:24,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:24,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:40:24,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:24,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 255 [2023-11-19 07:40:24,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 07:40:24,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:24,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 255 [2023-11-19 07:40:24,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:26,819 INFO L124 PetriNetUnfolderBase]: 11371/15889 cut-off events. [2023-11-19 07:40:26,820 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2023-11-19 07:40:26,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32025 conditions, 15889 events. 11371/15889 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 746. Compared 88068 event pairs, 4926 based on Foata normal form. 752/11421 useless extension candidates. Maximal degree in co-relation 32013. Up to 15116 conditions per place. [2023-11-19 07:40:27,007 INFO L140 encePairwiseOnDemand]: 240/255 looper letters, 47 selfloop transitions, 5 changer transitions 0/54 dead transitions. [2023-11-19 07:40:27,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 233 flow [2023-11-19 07:40:27,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:40:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:40:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2023-11-19 07:40:27,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2023-11-19 07:40:27,039 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2023-11-19 07:40:27,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2023-11-19 07:40:27,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:27,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2023-11-19 07:40:27,053 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 07:40:27,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 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 07:40:27,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 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 07:40:27,064 INFO L175 Difference]: Start difference. First operand has 48 places, 36 transitions, 84 flow. Second operand 3 states and 408 transitions. [2023-11-19 07:40:27,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 233 flow [2023-11-19 07:40:27,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 54 transitions, 226 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:40:27,073 INFO L231 Difference]: Finished difference. Result has 47 places, 39 transitions, 127 flow [2023-11-19 07:40:27,075 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, 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=127, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2023-11-19 07:40:27,079 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2023-11-19 07:40:27,080 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 127 flow [2023-11-19 07:40:27,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 07:40:27,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:27,081 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:27,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:40:27,081 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 07:40:27,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:27,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1940415647, now seen corresponding path program 1 times [2023-11-19 07:40:27,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:27,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43105879] [2023-11-19 07:40:27,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:27,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:27,211 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 07:40:27,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43105879] [2023-11-19 07:40:27,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43105879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:27,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:27,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:27,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442429193] [2023-11-19 07:40:27,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:27,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:40:27,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:27,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:40:27,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:40:27,221 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 255 [2023-11-19 07:40:27,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 127 flow. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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 07:40:27,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:27,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 255 [2023-11-19 07:40:27,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:28,656 INFO L124 PetriNetUnfolderBase]: 6491/9133 cut-off events. [2023-11-19 07:40:28,657 INFO L125 PetriNetUnfolderBase]: For 814/814 co-relation queries the response was YES. [2023-11-19 07:40:28,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22429 conditions, 9133 events. 6491/9133 cut-off events. For 814/814 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 47461 event pairs, 2230 based on Foata normal form. 0/7570 useless extension candidates. Maximal degree in co-relation 22418. Up to 8359 conditions per place. [2023-11-19 07:40:28,728 INFO L140 encePairwiseOnDemand]: 246/255 looper letters, 43 selfloop transitions, 5 changer transitions 0/50 dead transitions. [2023-11-19 07:40:28,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 50 transitions, 243 flow [2023-11-19 07:40:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:40:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:40:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 512 transitions. [2023-11-19 07:40:28,732 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5019607843137255 [2023-11-19 07:40:28,732 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 512 transitions. [2023-11-19 07:40:28,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 512 transitions. [2023-11-19 07:40:28,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:28,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 512 transitions. [2023-11-19 07:40:28,739 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) [2023-11-19 07:40:28,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 255.0) internal successors, (1275), 5 states have internal predecessors, (1275), 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 07:40:28,745 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 255.0) internal successors, (1275), 5 states have internal predecessors, (1275), 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 07:40:28,745 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 127 flow. Second operand 4 states and 512 transitions. [2023-11-19 07:40:28,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 50 transitions, 243 flow [2023-11-19 07:40:28,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 50 transitions, 238 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:40:28,749 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 116 flow [2023-11-19 07:40:28,756 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=106, 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=116, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2023-11-19 07:40:28,757 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2023-11-19 07:40:28,757 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 116 flow [2023-11-19 07:40:28,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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 07:40:28,758 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:28,758 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:28,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:40:28,759 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 07:40:28,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:28,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1940415646, now seen corresponding path program 1 times [2023-11-19 07:40:28,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:28,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132121500] [2023-11-19 07:40:28,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:28,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:28,901 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 07:40:28,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:28,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132121500] [2023-11-19 07:40:28,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132121500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:28,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:28,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:28,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542454763] [2023-11-19 07:40:28,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:28,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:40:28,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:28,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:40:28,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:40:28,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 255 [2023-11-19 07:40:28,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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 07:40:28,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:28,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 255 [2023-11-19 07:40:28,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:29,679 INFO L124 PetriNetUnfolderBase]: 2591/3867 cut-off events. [2023-11-19 07:40:29,679 INFO L125 PetriNetUnfolderBase]: For 874/874 co-relation queries the response was YES. [2023-11-19 07:40:29,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9444 conditions, 3867 events. 2591/3867 cut-off events. For 874/874 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 18879 event pairs, 790 based on Foata normal form. 108/3616 useless extension candidates. Maximal degree in co-relation 9432. Up to 2122 conditions per place. [2023-11-19 07:40:29,713 INFO L140 encePairwiseOnDemand]: 245/255 looper letters, 56 selfloop transitions, 9 changer transitions 0/67 dead transitions. [2023-11-19 07:40:29,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 67 transitions, 328 flow [2023-11-19 07:40:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:40:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:40:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 530 transitions. [2023-11-19 07:40:29,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5196078431372549 [2023-11-19 07:40:29,717 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 530 transitions. [2023-11-19 07:40:29,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 530 transitions. [2023-11-19 07:40:29,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:29,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 530 transitions. [2023-11-19 07:40:29,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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 07:40:29,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 255.0) internal successors, (1275), 5 states have internal predecessors, (1275), 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 07:40:29,725 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 255.0) internal successors, (1275), 5 states have internal predecessors, (1275), 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 07:40:29,725 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 116 flow. Second operand 4 states and 530 transitions. [2023-11-19 07:40:29,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 67 transitions, 328 flow [2023-11-19 07:40:29,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 67 transitions, 322 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:40:29,729 INFO L231 Difference]: Finished difference. Result has 47 places, 39 transitions, 170 flow [2023-11-19 07:40:29,730 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=110, 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=170, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2023-11-19 07:40:29,730 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2023-11-19 07:40:29,731 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 170 flow [2023-11-19 07:40:29,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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 07:40:29,732 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:29,732 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:29,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:40:29,732 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 07:40:29,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:29,733 INFO L85 PathProgramCache]: Analyzing trace with hash 48471799, now seen corresponding path program 1 times [2023-11-19 07:40:29,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:29,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060376364] [2023-11-19 07:40:29,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:29,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,896 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 07:40:29,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:29,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060376364] [2023-11-19 07:40:29,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060376364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:29,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:29,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:40:29,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676359232] [2023-11-19 07:40:29,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:29,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:40:29,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:29,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:40:29,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:40:29,906 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 255 [2023-11-19 07:40:29,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 170 flow. Second operand has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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 07:40:29,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:29,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 255 [2023-11-19 07:40:29,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:30,406 INFO L124 PetriNetUnfolderBase]: 1691/2493 cut-off events. [2023-11-19 07:40:30,407 INFO L125 PetriNetUnfolderBase]: For 1572/1572 co-relation queries the response was YES. [2023-11-19 07:40:30,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7024 conditions, 2493 events. 1691/2493 cut-off events. For 1572/1572 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 11173 event pairs, 508 based on Foata normal form. 54/2482 useless extension candidates. Maximal degree in co-relation 7011. Up to 972 conditions per place. [2023-11-19 07:40:30,426 INFO L140 encePairwiseOnDemand]: 245/255 looper letters, 63 selfloop transitions, 13 changer transitions 4/82 dead transitions. [2023-11-19 07:40:30,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 82 transitions, 444 flow [2023-11-19 07:40:30,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:40:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 07:40:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 660 transitions. [2023-11-19 07:40:30,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5176470588235295 [2023-11-19 07:40:30,430 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 660 transitions. [2023-11-19 07:40:30,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 660 transitions. [2023-11-19 07:40:30,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:30,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 660 transitions. [2023-11-19 07:40:30,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 07:40:30,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 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 07:40:30,438 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 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 07:40:30,438 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 170 flow. Second operand 5 states and 660 transitions. [2023-11-19 07:40:30,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 82 transitions, 444 flow [2023-11-19 07:40:30,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 82 transitions, 426 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-11-19 07:40:30,445 INFO L231 Difference]: Finished difference. Result has 50 places, 39 transitions, 196 flow [2023-11-19 07:40:30,446 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=152, 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=196, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2023-11-19 07:40:30,447 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, 2 predicate places. [2023-11-19 07:40:30,447 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 196 flow [2023-11-19 07:40:30,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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 07:40:30,448 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:30,448 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:30,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:40:30,449 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 07:40:30,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:30,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1799265747, now seen corresponding path program 1 times [2023-11-19 07:40:30,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:30,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920086435] [2023-11-19 07:40:30,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:30,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:30,645 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 07:40:30,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:30,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920086435] [2023-11-19 07:40:30,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920086435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:30,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:30,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:40:30,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226292083] [2023-11-19 07:40:30,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:30,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:40:30,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:30,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:40:30,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:40:30,658 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 255 [2023-11-19 07:40:30,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 196 flow. Second operand has 6 states, 6 states have (on average 118.33333333333333) internal successors, (710), 6 states have internal predecessors, (710), 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 07:40:30,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:30,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 255 [2023-11-19 07:40:30,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:31,078 INFO L124 PetriNetUnfolderBase]: 1616/2340 cut-off events. [2023-11-19 07:40:31,078 INFO L125 PetriNetUnfolderBase]: For 1870/1870 co-relation queries the response was YES. [2023-11-19 07:40:31,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6773 conditions, 2340 events. 1616/2340 cut-off events. For 1870/1870 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10437 event pairs, 488 based on Foata normal form. 20/2319 useless extension candidates. Maximal degree in co-relation 6759. Up to 972 conditions per place. [2023-11-19 07:40:31,090 INFO L140 encePairwiseOnDemand]: 245/255 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2023-11-19 07:40:31,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 70 transitions, 376 flow [2023-11-19 07:40:31,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:40:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:40:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 763 transitions. [2023-11-19 07:40:31,095 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49869281045751634 [2023-11-19 07:40:31,095 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 763 transitions. [2023-11-19 07:40:31,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 763 transitions. [2023-11-19 07:40:31,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:31,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 763 transitions. [2023-11-19 07:40:31,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 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 07:40:31,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 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 07:40:31,105 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 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 07:40:31,105 INFO L175 Difference]: Start difference. First operand has 50 places, 39 transitions, 196 flow. Second operand 6 states and 763 transitions. [2023-11-19 07:40:31,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 70 transitions, 376 flow [2023-11-19 07:40:31,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 70 transitions, 321 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-11-19 07:40:31,157 INFO L231 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow [2023-11-19 07:40:31,157 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0} [2023-11-19 07:40:31,158 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -7 predicate places. [2023-11-19 07:40:31,158 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 0 transitions, 0 flow [2023-11-19 07:40:31,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.33333333333333) internal successors, (710), 6 states have internal predecessors, (710), 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 07:40:31,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-19 07:40:31,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-19 07:40:31,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-19 07:40:31,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-19 07:40:31,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-19 07:40:31,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-19 07:40:31,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-19 07:40:31,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-19 07:40:31,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-19 07:40:31,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-19 07:40:31,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-19 07:40:31,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-19 07:40:31,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-19 07:40:31,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-19 07:40:31,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-19 07:40:31,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-19 07:40:31,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-19 07:40:31,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-19 07:40:31,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-19 07:40:31,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-19 07:40:31,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:40:31,169 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:40:31,175 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:40:31,175 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:40:31,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:40:31 BasicIcfg [2023-11-19 07:40:31,179 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:40:31,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:40:31,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:40:31,180 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:40:31,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:18" (3/4) ... [2023-11-19 07:40:31,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:40:31,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-19 07:40:31,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-19 07:40:31,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-19 07:40:31,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-11-19 07:40:31,193 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-19 07:40:31,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 07:40:31,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:40:31,195 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:40:31,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:40:31,324 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:40:31,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:40:31,325 INFO L158 Benchmark]: Toolchain (without parser) took 14449.47ms. Allocated memory was 169.9MB in the beginning and 755.0MB in the end (delta: 585.1MB). Free memory was 137.2MB in the beginning and 338.0MB in the end (delta: -200.8MB). Peak memory consumption was 386.9MB. Max. memory is 16.1GB. [2023-11-19 07:40:31,325 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:40:31,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.92ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 113.8MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:31,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.06ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 111.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:40:31,327 INFO L158 Benchmark]: Boogie Preprocessor took 41.03ms. Allocated memory is still 169.9MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:31,327 INFO L158 Benchmark]: RCFGBuilder took 1027.02ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 118.4MB in the end (delta: -9.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:31,328 INFO L158 Benchmark]: TraceAbstraction took 12494.46ms. Allocated memory was 169.9MB in the beginning and 755.0MB in the end (delta: 585.1MB). Free memory was 117.7MB in the beginning and 343.2MB in the end (delta: -225.5MB). Peak memory consumption was 360.3MB. Max. memory is 16.1GB. [2023-11-19 07:40:31,328 INFO L158 Benchmark]: Witness Printer took 144.21ms. Allocated memory is still 755.0MB. Free memory was 343.2MB in the beginning and 338.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:40:31,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.92ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 113.8MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.06ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 111.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.03ms. Allocated memory is still 169.9MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.02ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 118.4MB in the end (delta: -9.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12494.46ms. Allocated memory was 169.9MB in the beginning and 755.0MB in the end (delta: 585.1MB). Free memory was 117.7MB in the beginning and 343.2MB in the end (delta: -225.5MB). Peak memory consumption was 360.3MB. Max. memory is 16.1GB. * Witness Printer took 144.21ms. Allocated memory is still 755.0MB. Free memory was 343.2MB in the beginning and 338.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 147 PlacesBefore, 48 PlacesAfterwards, 137 TransitionsBefore, 36 TransitionsAfterwards, 4536 CoEnabledTransitionPairs, 6 FixpointIterations, 39 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 2 ChoiceCompositions, 114 TotalNumberOfCompositions, 12467 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5168, independent: 4891, independent conditional: 0, independent unconditional: 4891, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2426, independent: 2368, independent conditional: 0, independent unconditional: 2368, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5168, independent: 2523, independent conditional: 0, independent unconditional: 2523, dependent: 219, dependent conditional: 0, dependent unconditional: 219, unknown: 2426, unknown conditional: 0, unknown unconditional: 2426] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 172, Positive conditional cache size: 0, Positive unconditional cache size: 172, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: 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, 183 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: 12.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 213 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 440 IncrementalHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 4 mSDtfsCounter, 440 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=196occurred 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, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 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 07:40:31,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c880604-4b42-45d9-9c72-381f983348d6/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