./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.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_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/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_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/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_c2d22422-4bf9-49cb-a140-826151c917db/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 c22ca6d642b28badc1dc02a5cc527ddbb1f35b5d6d2e3ba3e8f314e81f0fd465 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:49,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:49,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:48:49,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:49,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:49,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:49,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:49,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:49,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:49,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:49,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:49,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:49,882 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:49,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:49,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:49,884 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:49,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:49,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:49,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:49,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:49,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:49,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:49,889 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:48:49,889 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:48:49,889 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:49,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:49,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:49,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:49,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:49,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:49,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:49,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:49,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:49,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:49,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:49,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:49,894 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:49,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:49,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:49,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:49,896 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:49,896 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_c2d22422-4bf9-49cb-a140-826151c917db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c22ca6d642b28badc1dc02a5cc527ddbb1f35b5d6d2e3ba3e8f314e81f0fd465 [2023-11-19 07:48:50,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:50,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:50,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:50,191 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:50,191 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:50,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i [2023-11-19 07:48:53,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:53,974 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:53,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i [2023-11-19 07:48:54,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/data/5bbecdf4f/280aeb672f054aa48a4ea9dfb8f1ef29/FLAG492675258 [2023-11-19 07:48:54,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/data/5bbecdf4f/280aeb672f054aa48a4ea9dfb8f1ef29 [2023-11-19 07:48:54,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:54,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:54,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:54,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:54,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:54,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5422d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54, skipping insertion in model container [2023-11-19 07:48:54,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:54,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:54,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:54,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:54,877 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:54,877 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:54,886 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:54,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54 WrapperNode [2023-11-19 07:48:54,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:54,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:54,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:54,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:54,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,026 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 170 [2023-11-19 07:48:55,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:55,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:55,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:55,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:55,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:55,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:55,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:55,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:55,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:55,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:55,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:55,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:55,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:48:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:48:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:48:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:48:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 07:48:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 07:48:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 07:48:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 07:48:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 07:48:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 07:48:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 07:48:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 07:48:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:48:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:55,228 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 07:48:55,463 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:55,466 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:56,000 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:56,258 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:56,259 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:48:56,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:56 BoogieIcfgContainer [2023-11-19 07:48:56,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:56,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:56,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:56,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:56,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:54" (1/3) ... [2023-11-19 07:48:56,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e91840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:56, skipping insertion in model container [2023-11-19 07:48:56,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (2/3) ... [2023-11-19 07:48:56,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e91840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:56, skipping insertion in model container [2023-11-19 07:48:56,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:56" (3/3) ... [2023-11-19 07:48:56,277 INFO L112 eAbstractionObserver]: Analyzing ICFG mix005_tso.oepc.i [2023-11-19 07:48:56,287 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:48:56,298 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:56,298 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:48:56,299 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:48:56,391 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:48:56,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 147 transitions, 310 flow [2023-11-19 07:48:56,528 INFO L124 PetriNetUnfolderBase]: 3/143 cut-off events. [2023-11-19 07:48:56,528 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:48:56,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 143 events. 3/143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 121 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-19 07:48:56,538 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 147 transitions, 310 flow [2023-11-19 07:48:56,551 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 153 places, 143 transitions, 298 flow [2023-11-19 07:48:56,556 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:48:56,583 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 143 transitions, 298 flow [2023-11-19 07:48:56,588 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 143 transitions, 298 flow [2023-11-19 07:48:56,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 143 transitions, 298 flow [2023-11-19 07:48:56,638 INFO L124 PetriNetUnfolderBase]: 3/143 cut-off events. [2023-11-19 07:48:56,638 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:48:56,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 143 events. 3/143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 118 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-19 07:48:56,644 INFO L119 LiptonReduction]: Number of co-enabled transitions 4816 [2023-11-19 07:49:02,305 INFO L134 LiptonReduction]: Checked pairs total: 15832 [2023-11-19 07:49:02,305 INFO L136 LiptonReduction]: Total number of compositions: 115 [2023-11-19 07:49:02,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:49:02,329 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;@643f0fca, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:49:02,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-19 07:49:02,335 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:49:02,335 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-11-19 07:49:02,335 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:49:02,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:02,336 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:49:02,337 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 07:49:02,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:02,342 INFO L85 PathProgramCache]: Analyzing trace with hash 2112979054, now seen corresponding path program 1 times [2023-11-19 07:49:02,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:02,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541868477] [2023-11-19 07:49:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:02,752 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 07:49:02,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:02,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541868477] [2023-11-19 07:49:02,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541868477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:02,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:02,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:49:02,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741183557] [2023-11-19 07:49:02,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:02,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:02,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:02,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:02,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:02,831 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 262 [2023-11-19 07:49:02,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 39 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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 07:49:02,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:02,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 262 [2023-11-19 07:49:02,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:05,909 INFO L124 PetriNetUnfolderBase]: 10523/14645 cut-off events. [2023-11-19 07:49:05,911 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2023-11-19 07:49:05,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29505 conditions, 14645 events. 10523/14645 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 83590 event pairs, 2964 based on Foata normal form. 0/10709 useless extension candidates. Maximal degree in co-relation 29493. Up to 12949 conditions per place. [2023-11-19 07:49:06,111 INFO L140 encePairwiseOnDemand]: 248/262 looper letters, 49 selfloop transitions, 5 changer transitions 0/60 dead transitions. [2023-11-19 07:49:06,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 60 transitions, 249 flow [2023-11-19 07:49:06,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:06,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2023-11-19 07:49:06,142 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5356234096692112 [2023-11-19 07:49:06,143 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 421 transitions. [2023-11-19 07:49:06,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 421 transitions. [2023-11-19 07:49:06,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:06,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 421 transitions. [2023-11-19 07:49:06,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 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 07:49:06,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 07:49:06,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 07:49:06,175 INFO L175 Difference]: Start difference. First operand has 51 places, 39 transitions, 90 flow. Second operand 3 states and 421 transitions. [2023-11-19 07:49:06,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 60 transitions, 249 flow [2023-11-19 07:49:06,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 60 transitions, 242 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:49:06,190 INFO L231 Difference]: Finished difference. Result has 50 places, 42 transitions, 131 flow [2023-11-19 07:49:06,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2023-11-19 07:49:06,199 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -1 predicate places. [2023-11-19 07:49:06,199 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 131 flow [2023-11-19 07:49:06,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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 07:49:06,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:06,201 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:06,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:49:06,202 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 07:49:06,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:06,203 INFO L85 PathProgramCache]: Analyzing trace with hash -552989790, now seen corresponding path program 1 times [2023-11-19 07:49:06,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:06,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736417045] [2023-11-19 07:49:06,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:06,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:06,486 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 07:49:06,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:06,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736417045] [2023-11-19 07:49:06,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736417045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:06,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:06,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:06,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584018445] [2023-11-19 07:49:06,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:06,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:49:06,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:06,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:49:06,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:06,504 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 262 [2023-11-19 07:49:06,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 131 flow. Second operand has 4 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 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 07:49:06,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:06,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 262 [2023-11-19 07:49:06,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:08,411 INFO L124 PetriNetUnfolderBase]: 6487/9035 cut-off events. [2023-11-19 07:49:08,411 INFO L125 PetriNetUnfolderBase]: For 567/567 co-relation queries the response was YES. [2023-11-19 07:49:08,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21992 conditions, 9035 events. 6487/9035 cut-off events. For 567/567 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 49091 event pairs, 1720 based on Foata normal form. 0/7615 useless extension candidates. Maximal degree in co-relation 21981. Up to 7338 conditions per place. [2023-11-19 07:49:08,503 INFO L140 encePairwiseOnDemand]: 253/262 looper letters, 45 selfloop transitions, 5 changer transitions 0/56 dead transitions. [2023-11-19 07:49:08,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 56 transitions, 257 flow [2023-11-19 07:49:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:49:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:49:08,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 530 transitions. [2023-11-19 07:49:08,508 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5057251908396947 [2023-11-19 07:49:08,509 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 530 transitions. [2023-11-19 07:49:08,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 530 transitions. [2023-11-19 07:49:08,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:08,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 530 transitions. [2023-11-19 07:49:08,516 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 07:49:08,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 262.0) internal successors, (1310), 5 states have internal predecessors, (1310), 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 07:49:08,523 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 262.0) internal successors, (1310), 5 states have internal predecessors, (1310), 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 07:49:08,523 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 131 flow. Second operand 4 states and 530 transitions. [2023-11-19 07:49:08,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 56 transitions, 257 flow [2023-11-19 07:49:08,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 56 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:49:08,530 INFO L231 Difference]: Finished difference. Result has 48 places, 38 transitions, 120 flow [2023-11-19 07:49:08,536 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=120, PETRI_PLACES=48, PETRI_TRANSITIONS=38} [2023-11-19 07:49:08,537 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2023-11-19 07:49:08,537 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 120 flow [2023-11-19 07:49:08,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 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 07:49:08,539 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:08,539 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:08,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:49:08,540 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 07:49:08,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:08,542 INFO L85 PathProgramCache]: Analyzing trace with hash -552989789, now seen corresponding path program 1 times [2023-11-19 07:49:08,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:08,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41752720] [2023-11-19 07:49:08,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:08,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:08,739 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 07:49:08,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:08,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41752720] [2023-11-19 07:49:08,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41752720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:08,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:08,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:08,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494410523] [2023-11-19 07:49:08,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:08,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:49:08,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:08,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:49:08,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:08,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 262 [2023-11-19 07:49:08,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 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 07:49:08,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:08,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 262 [2023-11-19 07:49:08,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:10,021 INFO L124 PetriNetUnfolderBase]: 4327/6089 cut-off events. [2023-11-19 07:49:10,022 INFO L125 PetriNetUnfolderBase]: For 1742/1742 co-relation queries the response was YES. [2023-11-19 07:49:10,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14611 conditions, 6089 events. 4327/6089 cut-off events. For 1742/1742 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 32091 event pairs, 1191 based on Foata normal form. 0/5703 useless extension candidates. Maximal degree in co-relation 14599. Up to 2268 conditions per place. [2023-11-19 07:49:10,066 INFO L140 encePairwiseOnDemand]: 253/262 looper letters, 61 selfloop transitions, 9 changer transitions 0/76 dead transitions. [2023-11-19 07:49:10,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 76 transitions, 354 flow [2023-11-19 07:49:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:49:10,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:49:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 550 transitions. [2023-11-19 07:49:10,070 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5248091603053435 [2023-11-19 07:49:10,070 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 550 transitions. [2023-11-19 07:49:10,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 550 transitions. [2023-11-19 07:49:10,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:10,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 550 transitions. [2023-11-19 07:49:10,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 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 07:49:10,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 262.0) internal successors, (1310), 5 states have internal predecessors, (1310), 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 07:49:10,077 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 262.0) internal successors, (1310), 5 states have internal predecessors, (1310), 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 07:49:10,077 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 120 flow. Second operand 4 states and 550 transitions. [2023-11-19 07:49:10,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 76 transitions, 354 flow [2023-11-19 07:49:10,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 76 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:49:10,082 INFO L231 Difference]: Finished difference. Result has 50 places, 42 transitions, 172 flow [2023-11-19 07:49:10,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=172, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2023-11-19 07:49:10,084 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -1 predicate places. [2023-11-19 07:49:10,085 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 172 flow [2023-11-19 07:49:10,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 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 07:49:10,085 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:10,086 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:10,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:49:10,091 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 07:49:10,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:10,092 INFO L85 PathProgramCache]: Analyzing trace with hash 457296882, now seen corresponding path program 1 times [2023-11-19 07:49:10,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:10,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111514239] [2023-11-19 07:49:10,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:10,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:10,279 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 07:49:10,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:10,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111514239] [2023-11-19 07:49:10,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111514239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:10,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:10,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:49:10,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796318113] [2023-11-19 07:49:10,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:10,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:49:10,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:10,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:49:10,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:49:10,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 262 [2023-11-19 07:49:10,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 172 flow. Second operand has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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 07:49:10,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:10,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 262 [2023-11-19 07:49:10,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:11,359 INFO L124 PetriNetUnfolderBase]: 3943/5489 cut-off events. [2023-11-19 07:49:11,359 INFO L125 PetriNetUnfolderBase]: For 3525/3525 co-relation queries the response was YES. [2023-11-19 07:49:11,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15094 conditions, 5489 events. 3943/5489 cut-off events. For 3525/3525 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 28675 event pairs, 1136 based on Foata normal form. 0/5349 useless extension candidates. Maximal degree in co-relation 15081. Up to 2268 conditions per place. [2023-11-19 07:49:11,406 INFO L140 encePairwiseOnDemand]: 253/262 looper letters, 71 selfloop transitions, 13 changer transitions 4/94 dead transitions. [2023-11-19 07:49:11,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 94 transitions, 480 flow [2023-11-19 07:49:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:49:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 07:49:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 687 transitions. [2023-11-19 07:49:11,410 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5244274809160305 [2023-11-19 07:49:11,410 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 687 transitions. [2023-11-19 07:49:11,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 687 transitions. [2023-11-19 07:49:11,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:11,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 687 transitions. [2023-11-19 07:49:11,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 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 07:49:11,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 262.0) internal successors, (1572), 6 states have internal predecessors, (1572), 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 07:49:11,419 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 262.0) internal successors, (1572), 6 states have internal predecessors, (1572), 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 07:49:11,419 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 172 flow. Second operand 5 states and 687 transitions. [2023-11-19 07:49:11,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 94 transitions, 480 flow [2023-11-19 07:49:11,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 94 transitions, 462 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-11-19 07:49:11,434 INFO L231 Difference]: Finished difference. Result has 53 places, 42 transitions, 196 flow [2023-11-19 07:49:11,434 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=196, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2023-11-19 07:49:11,436 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places. [2023-11-19 07:49:11,437 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 42 transitions, 196 flow [2023-11-19 07:49:11,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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 07:49:11,438 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:11,438 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, 1, 1] [2023-11-19 07:49:11,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:49:11,438 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 07:49:11,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:11,439 INFO L85 PathProgramCache]: Analyzing trace with hash 950410769, now seen corresponding path program 1 times [2023-11-19 07:49:11,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:11,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647931407] [2023-11-19 07:49:11,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:11,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:11,658 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 07:49:11,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:11,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647931407] [2023-11-19 07:49:11,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647931407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:11,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:11,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:49:11,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759742983] [2023-11-19 07:49:11,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:11,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:49:11,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:11,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:49:11,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:49:11,671 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 262 [2023-11-19 07:49:11,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 42 transitions, 196 flow. Second operand has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 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 07:49:11,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:11,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 262 [2023-11-19 07:49:11,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:12,613 INFO L124 PetriNetUnfolderBase]: 3908/5429 cut-off events. [2023-11-19 07:49:12,614 INFO L125 PetriNetUnfolderBase]: For 4291/4291 co-relation queries the response was YES. [2023-11-19 07:49:12,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15295 conditions, 5429 events. 3908/5429 cut-off events. For 4291/4291 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 28376 event pairs, 1136 based on Foata normal form. 20/5329 useless extension candidates. Maximal degree in co-relation 15281. Up to 2268 conditions per place. [2023-11-19 07:49:12,639 INFO L140 encePairwiseOnDemand]: 253/262 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2023-11-19 07:49:12,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 86 transitions, 432 flow [2023-11-19 07:49:12,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:49:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:49:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 798 transitions. [2023-11-19 07:49:12,645 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5076335877862596 [2023-11-19 07:49:12,645 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 798 transitions. [2023-11-19 07:49:12,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 798 transitions. [2023-11-19 07:49:12,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:12,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 798 transitions. [2023-11-19 07:49:12,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 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 07:49:12,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 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 07:49:12,656 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 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 07:49:12,657 INFO L175 Difference]: Start difference. First operand has 53 places, 42 transitions, 196 flow. Second operand 6 states and 798 transitions. [2023-11-19 07:49:12,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 86 transitions, 432 flow [2023-11-19 07:49:12,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 86 transitions, 377 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-11-19 07:49:12,925 INFO L231 Difference]: Finished difference. Result has 48 places, 0 transitions, 0 flow [2023-11-19 07:49:12,925 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=48, PETRI_TRANSITIONS=0} [2023-11-19 07:49:12,926 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2023-11-19 07:49:12,927 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 0 transitions, 0 flow [2023-11-19 07:49:12,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 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 07:49:12,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-19 07:49:12,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-19 07:49:12,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-19 07:49:12,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-19 07:49:12,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-19 07:49:12,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-19 07:49:12,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-19 07:49:12,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-19 07:49:12,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-19 07:49:12,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-19 07:49:12,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-19 07:49:12,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-19 07:49:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-19 07:49:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-19 07:49:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-19 07:49:12,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-19 07:49:12,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-19 07:49:12,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-19 07:49:12,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-19 07:49:12,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-19 07:49:12,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:49:12,941 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:49:12,948 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:49:12,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:49:12,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:12 BasicIcfg [2023-11-19 07:49:12,954 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:49:12,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:49:12,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:49:12,955 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:49:12,956 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:56" (3/4) ... [2023-11-19 07:49:12,958 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:49:12,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-19 07:49:12,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-19 07:49:12,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-19 07:49:12,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-11-19 07:49:12,972 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-19 07:49:12,973 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 07:49:12,974 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:49:12,974 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:49:13,100 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:49:13,101 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:49:13,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:49:13,102 INFO L158 Benchmark]: Toolchain (without parser) took 19061.92ms. Allocated memory was 140.5MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 94.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 145.3MB. Max. memory is 16.1GB. [2023-11-19 07:49:13,103 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:13,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 842.50ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 69.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:49:13,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.18ms. Allocated memory is still 140.5MB. Free memory was 69.8MB in the beginning and 109.7MB in the end (delta: -39.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-19 07:49:13,104 INFO L158 Benchmark]: Boogie Preprocessor took 76.67ms. Allocated memory is still 140.5MB. Free memory was 109.7MB in the beginning and 107.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:49:13,105 INFO L158 Benchmark]: RCFGBuilder took 1149.66ms. Allocated memory is still 140.5MB. Free memory was 107.7MB in the beginning and 63.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 07:49:13,105 INFO L158 Benchmark]: TraceAbstraction took 16688.05ms. Allocated memory was 140.5MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 63.2MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 539.6MB. Max. memory is 16.1GB. [2023-11-19 07:49:13,106 INFO L158 Benchmark]: Witness Printer took 146.87ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:49:13,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 842.50ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 69.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.18ms. Allocated memory is still 140.5MB. Free memory was 69.8MB in the beginning and 109.7MB in the end (delta: -39.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.67ms. Allocated memory is still 140.5MB. Free memory was 109.7MB in the beginning and 107.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1149.66ms. Allocated memory is still 140.5MB. Free memory was 107.7MB in the beginning and 63.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 16688.05ms. Allocated memory was 140.5MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 63.2MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 539.6MB. Max. memory is 16.1GB. * Witness Printer took 146.87ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.3GB 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: 5.7s, 153 PlacesBefore, 51 PlacesAfterwards, 143 TransitionsBefore, 39 TransitionsAfterwards, 4816 CoEnabledTransitionPairs, 6 FixpointIterations, 43 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 115 TotalNumberOfCompositions, 15832 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5863, independent: 5529, independent conditional: 0, independent unconditional: 5529, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2561, independent: 2484, independent conditional: 0, independent unconditional: 2484, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5863, independent: 3045, independent conditional: 0, independent unconditional: 3045, dependent: 257, dependent conditional: 0, dependent unconditional: 257, unknown: 2561, unknown conditional: 0, unknown unconditional: 2561] , Statistics on independence cache: Total cache size (in pairs): 256, Positive cache size: 231, Positive conditional cache size: 0, Positive unconditional cache size: 231, 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: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: 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, 191 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: 16.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 211 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 445 IncrementalHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 4 mSDtfsCounter, 445 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 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 07:49:13,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d22422-4bf9-49cb-a140-826151c917db/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE