./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe011_power.opt_pso.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_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/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_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe011_power.opt_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/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_b31d45da-3a72-4880-a00a-3cb6716bf883/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 bdec055c4bfc04b6b0c3fc918f7b96def91dcb331178222835136af29a7feef5
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:50:45,052 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:50:45,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 07:50:45,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:50:45,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:50:45,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:50:45,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:50:45,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:50:45,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:50:45,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:50:45,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:50:45,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:50:45,237 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:50:45,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:50:45,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:50:45,240 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:50:45,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:50:45,241 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:50:45,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:50:45,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:50:45,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:50:45,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:50:45,245 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:50:45,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:50:45,246 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:50:45,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:50:45,247 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:50:45,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:50:45,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:50:45,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:50:45,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:50:45,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:50:45,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:50:45,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:50:45,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:50:45,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:50:45,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:50:45,254 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:50:45,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:50:45,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:50:45,269 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:50:45,271 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_b31d45da-3a72-4880-a00a-3cb6716bf883/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdec055c4bfc04b6b0c3fc918f7b96def91dcb331178222835136af29a7feef5
[2023-11-19 07:50:45,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:50:45,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:50:45,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:50:45,713 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:50:45,714 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:50:45,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/safe011_power.opt_pso.opt.i
[2023-11-19 07:50:48,880 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:50:49,256 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:50:49,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/sv-benchmarks/c/pthread-wmm/safe011_power.opt_pso.opt.i
[2023-11-19 07:50:49,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/data/b985e5823/b6190ef137484408b1fbcf52f9c3961c/FLAG5b6abe576
[2023-11-19 07:50:49,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/data/b985e5823/b6190ef137484408b1fbcf52f9c3961c
[2023-11-19 07:50:49,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:50:49,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:50:49,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:50:49,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:50:49,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:50:49,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:49" (1/1) ...
[2023-11-19 07:50:49,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fdf297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:49, skipping insertion in model container
[2023-11-19 07:50:49,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:49" (1/1) ...
[2023-11-19 07:50:49,415 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:50:49,903 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:50:49,920 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:50:50,011 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:50:50,070 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:50:50,071 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:50:50,078 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:50:50,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50 WrapperNode
[2023-11-19 07:50:50,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:50:50,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:50:50,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:50:50,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:50:50,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,217 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151
[2023-11-19 07:50:50,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:50:50,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:50:50,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:50:50,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:50:50,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:50:50,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:50:50,302 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:50:50,302 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:50:50,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (1/1) ...
[2023-11-19 07:50:50,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:50:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:50:50,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:50:50,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:50:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:50:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 07:50:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:50:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:50:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:50:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-19 07:50:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-19 07:50:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-19 07:50:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-19 07:50:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2023-11-19 07:50:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2023-11-19 07:50:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:50:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 07:50:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:50:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:50:50,410 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 07:50:50,610 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:50:50,613 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:50:50,976 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:50:51,231 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:50:51,232 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:50:51,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:51 BoogieIcfgContainer
[2023-11-19 07:50:51,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:50:51,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:50:51,239 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:50:51,243 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:50:51,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:49" (1/3) ...
[2023-11-19 07:50:51,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440a0be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:51, skipping insertion in model container
[2023-11-19 07:50:51,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:50" (2/3) ...
[2023-11-19 07:50:51,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440a0be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:51, skipping insertion in model container
[2023-11-19 07:50:51,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:51" (3/3) ...
[2023-11-19 07:50:51,246 INFO L112 eAbstractionObserver]: Analyzing ICFG safe011_power.opt_pso.opt.i
[2023-11-19 07:50:51,256 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:50:51,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:50:51,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-19 07:50:51,268 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:50:51,329 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 07:50:51,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 119 transitions, 250 flow
[2023-11-19 07:50:51,424 INFO L124 PetriNetUnfolderBase]: 3/116 cut-off events.
[2023-11-19 07:50:51,424 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:50:51,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 3/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place.
[2023-11-19 07:50:51,431 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 119 transitions, 250 flow
[2023-11-19 07:50:51,436 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 116 transitions, 241 flow
[2023-11-19 07:50:51,440 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:50:51,454 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 116 transitions, 241 flow
[2023-11-19 07:50:51,459 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 116 transitions, 241 flow
[2023-11-19 07:50:51,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 123 places, 116 transitions, 241 flow
[2023-11-19 07:50:51,522 INFO L124 PetriNetUnfolderBase]: 3/116 cut-off events.
[2023-11-19 07:50:51,523 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:50:51,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 3/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place.
[2023-11-19 07:50:51,528 INFO L119 LiptonReduction]: Number of co-enabled transitions 2862
[2023-11-19 07:50:56,749 INFO L134 LiptonReduction]: Checked pairs total: 8377
[2023-11-19 07:50:56,750 INFO L136 LiptonReduction]: Total number of compositions: 100
[2023-11-19 07:50:56,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:50:56,776 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;@5c5ec0a8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:50:56,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2023-11-19 07:50:56,784 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:50:56,784 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events.
[2023-11-19 07:50:56,785 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:50:56,785 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:50:56,785 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:50:56,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 07:50:56,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:50:56,792 INFO L85 PathProgramCache]: Analyzing trace with hash -827911007, now seen corresponding path program 1 times
[2023-11-19 07:50:56,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:50:56,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822562468]
[2023-11-19 07:50:56,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:50:56,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:50:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:50:57,148 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 07:50:57,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:50:57,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822562468]
[2023-11-19 07:50:57,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822562468] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:50:57,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:50:57,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:50:57,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861590211]
[2023-11-19 07:50:57,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:50:57,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:50:57,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:50:57,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:50:57,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:50:57,198 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 219
[2023-11-19 07:50:57,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 07:50:57,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:50:57,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 219
[2023-11-19 07:50:57,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:50:57,600 INFO L124 PetriNetUnfolderBase]: 929/1467 cut-off events.
[2023-11-19 07:50:57,600 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES.
[2023-11-19 07:50:57,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2972 conditions, 1467 events. 929/1467 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6984 event pairs, 294 based on Foata normal form. 0/1182 useless extension candidates. Maximal degree in co-relation 2961. Up to 1100 conditions per place.
[2023-11-19 07:50:57,619 INFO L140 encePairwiseOnDemand]: 209/219 looper letters, 36 selfloop transitions, 4 changer transitions 0/43 dead transitions.
[2023-11-19 07:50:57,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 43 transitions, 181 flow
[2023-11-19 07:50:57,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:50:57,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:50:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions.
[2023-11-19 07:50:57,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5083713850837138
[2023-11-19 07:50:57,678 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 334 transitions.
[2023-11-19 07:50:57,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 334 transitions.
[2023-11-19 07:50:57,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:50:57,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 334 transitions.
[2023-11-19 07:50:57,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 07:50:57,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 07:50:57,696 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 07:50:57,698 INFO L175 Difference]: Start difference. First operand has 37 places, 27 transitions, 63 flow. Second operand 3 states and 334 transitions.
[2023-11-19 07:50:57,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 43 transitions, 181 flow
[2023-11-19 07:50:57,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 43 transitions, 176 flow, removed 0 selfloop flow, removed 3 redundant places.
[2023-11-19 07:50:57,704 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 96 flow
[2023-11-19 07:50:57,706 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=37, PETRI_TRANSITIONS=30}
[2023-11-19 07:50:57,710 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places.
[2023-11-19 07:50:57,710 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 96 flow
[2023-11-19 07:50:57,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 07:50:57,711 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:50:57,711 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:50:57,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:50:57,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 07:50:57,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:50:57,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1252127456, now seen corresponding path program 1 times
[2023-11-19 07:50:57,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:50:57,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785917250]
[2023-11-19 07:50:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:50:57,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:50:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:50:57,933 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 07:50:57,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:50:57,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785917250]
[2023-11-19 07:50:57,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785917250] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:50:57,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:50:57,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:50:57,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995701324]
[2023-11-19 07:50:57,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:50:57,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:50:57,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:50:57,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:50:57,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:50:57,947 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 219
[2023-11-19 07:50:57,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 07:50:57,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:50:57,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 219
[2023-11-19 07:50:57,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:50:58,297 INFO L124 PetriNetUnfolderBase]: 727/1141 cut-off events.
[2023-11-19 07:50:58,298 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES.
[2023-11-19 07:50:58,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2784 conditions, 1141 events. 727/1141 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5163 event pairs, 246 based on Foata normal form. 0/1016 useless extension candidates. Maximal degree in co-relation 2773. Up to 773 conditions per place.
[2023-11-19 07:50:58,310 INFO L140 encePairwiseOnDemand]: 212/219 looper letters, 33 selfloop transitions, 4 changer transitions 0/40 dead transitions.
[2023-11-19 07:50:58,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 40 transitions, 188 flow
[2023-11-19 07:50:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:50:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:50:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 424 transitions.
[2023-11-19 07:50:58,319 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4840182648401826
[2023-11-19 07:50:58,319 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 424 transitions.
[2023-11-19 07:50:58,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 424 transitions.
[2023-11-19 07:50:58,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:50:58,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 424 transitions.
[2023-11-19 07:50:58,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 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 07:50:58,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 07:50:58,361 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 07:50:58,361 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 96 flow. Second operand 4 states and 424 transitions.
[2023-11-19 07:50:58,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 40 transitions, 188 flow
[2023-11-19 07:50:58,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 40 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:50:58,365 INFO L231 Difference]: Finished difference. Result has 36 places, 27 transitions, 88 flow
[2023-11-19 07:50:58,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=88, PETRI_PLACES=36, PETRI_TRANSITIONS=27}
[2023-11-19 07:50:58,366 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places.
[2023-11-19 07:50:58,367 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 88 flow
[2023-11-19 07:50:58,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 07:50:58,367 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:50:58,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:50:58,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:50:58,368 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 07:50:58,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:50:58,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1252127457, now seen corresponding path program 1 times
[2023-11-19 07:50:58,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:50:58,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865551862]
[2023-11-19 07:50:58,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:50:58,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:50:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:50:58,496 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 07:50:58,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:50:58,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865551862]
[2023-11-19 07:50:58,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865551862] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:50:58,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:50:58,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:50:58,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335818424]
[2023-11-19 07:50:58,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:50:58,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:50:58,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:50:58,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:50:58,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:50:58,507 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 219
[2023-11-19 07:50:58,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 07:50:58,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:50:58,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 219
[2023-11-19 07:50:58,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:50:58,805 INFO L124 PetriNetUnfolderBase]: 576/902 cut-off events.
[2023-11-19 07:50:58,806 INFO L125 PetriNetUnfolderBase]: For 332/332 co-relation queries the response was YES.
[2023-11-19 07:50:58,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2179 conditions, 902 events. 576/902 cut-off events. For 332/332 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3971 event pairs, 218 based on Foata normal form. 0/877 useless extension candidates. Maximal degree in co-relation 2167. Up to 369 conditions per place.
[2023-11-19 07:50:58,814 INFO L140 encePairwiseOnDemand]: 212/219 looper letters, 41 selfloop transitions, 7 changer transitions 3/54 dead transitions.
[2023-11-19 07:50:58,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 54 transitions, 256 flow
[2023-11-19 07:50:58,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:50:58,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:50:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 438 transitions.
[2023-11-19 07:50:58,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5
[2023-11-19 07:50:58,817 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 438 transitions.
[2023-11-19 07:50:58,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 438 transitions.
[2023-11-19 07:50:58,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:50:58,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 438 transitions.
[2023-11-19 07:50:58,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 07:50:58,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 07:50:58,823 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 07:50:58,823 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 88 flow. Second operand 4 states and 438 transitions.
[2023-11-19 07:50:58,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 54 transitions, 256 flow
[2023-11-19 07:50:58,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 54 transitions, 251 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 07:50:58,828 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 109 flow
[2023-11-19 07:50:58,829 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=38, PETRI_TRANSITIONS=27}
[2023-11-19 07:50:58,830 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places.
[2023-11-19 07:50:58,830 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 109 flow
[2023-11-19 07:50:58,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 07:50:58,831 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:50:58,831 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:50:58,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:50:58,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 07:50:58,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:50:58,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1758954690, now seen corresponding path program 1 times
[2023-11-19 07:50:58,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:50:58,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343539765]
[2023-11-19 07:50:58,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:50:58,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:50:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:50:59,042 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 07:50:59,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:50:59,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343539765]
[2023-11-19 07:50:59,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343539765] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:50:59,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:50:59,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:50:59,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935441681]
[2023-11-19 07:50:59,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:50:59,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:50:59,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:50:59,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:50:59,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:50:59,056 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 219
[2023-11-19 07:50:59,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 99.0) internal successors, (495), 5 states have internal predecessors, (495), 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 07:50:59,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:50:59,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 219
[2023-11-19 07:50:59,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:50:59,339 INFO L124 PetriNetUnfolderBase]: 556/866 cut-off events.
[2023-11-19 07:50:59,339 INFO L125 PetriNetUnfolderBase]: For 681/681 co-relation queries the response was YES.
[2023-11-19 07:50:59,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2358 conditions, 866 events. 556/866 cut-off events. For 681/681 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3812 event pairs, 218 based on Foata normal form. 12/865 useless extension candidates. Maximal degree in co-relation 2345. Up to 369 conditions per place.
[2023-11-19 07:50:59,343 INFO L140 encePairwiseOnDemand]: 212/219 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions.
[2023-11-19 07:50:59,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 48 transitions, 235 flow
[2023-11-19 07:50:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:50:59,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:50:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 528 transitions.
[2023-11-19 07:50:59,346 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4821917808219178
[2023-11-19 07:50:59,346 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 528 transitions.
[2023-11-19 07:50:59,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 528 transitions.
[2023-11-19 07:50:59,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:50:59,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 528 transitions.
[2023-11-19 07:50:59,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 105.6) internal successors, (528), 5 states have internal predecessors, (528), 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 07:50:59,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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 07:50:59,352 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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 07:50:59,352 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 109 flow. Second operand 5 states and 528 transitions.
[2023-11-19 07:50:59,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 48 transitions, 235 flow
[2023-11-19 07:50:59,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 48 transitions, 211 flow, removed 3 selfloop flow, removed 4 redundant places.
[2023-11-19 07:50:59,356 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow
[2023-11-19 07:50:59,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0}
[2023-11-19 07:50:59,357 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places.
[2023-11-19 07:50:59,357 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow
[2023-11-19 07:50:59,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 99.0) internal successors, (495), 5 states have internal predecessors, (495), 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 07:50:59,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2023-11-19 07:50:59,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2023-11-19 07:50:59,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2023-11-19 07:50:59,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2023-11-19 07:50:59,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2023-11-19 07:50:59,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2023-11-19 07:50:59,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2023-11-19 07:50:59,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2023-11-19 07:50:59,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2023-11-19 07:50:59,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2023-11-19 07:50:59,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2023-11-19 07:50:59,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2023-11-19 07:50:59,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2023-11-19 07:50:59,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2023-11-19 07:50:59,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2023-11-19 07:50:59,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:50:59,363 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 07:50:59,369 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:50:59,369 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:50:59,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:59 BasicIcfg
[2023-11-19 07:50:59,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:50:59,374 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:50:59,374 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:50:59,374 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:50:59,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:51" (3/4) ...
[2023-11-19 07:50:59,376 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:50:59,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-11-19 07:50:59,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-11-19 07:50:59,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2023-11-19 07:50:59,385 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges
[2023-11-19 07:50:59,385 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 07:50:59,385 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:50:59,386 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:50:59,492 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:50:59,492 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:50:59,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:50:59,493 INFO L158 Benchmark]: Toolchain (without parser) took 10183.58ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 156.4MB in the beginning and 167.1MB in the end (delta: -10.7MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB.
[2023-11-19 07:50:59,494 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:50:59,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.48ms. Allocated memory is still 186.6MB. Free memory was 156.2MB in the beginning and 151.3MB in the end (delta: 4.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB.
[2023-11-19 07:50:59,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.87ms. Allocated memory is still 186.6MB. Free memory was 151.3MB in the beginning and 148.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:50:59,495 INFO L158 Benchmark]: Boogie Preprocessor took 80.87ms. Allocated memory is still 186.6MB. Free memory was 148.3MB in the beginning and 146.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:50:59,495 INFO L158 Benchmark]: RCFGBuilder took 934.72ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 106.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2023-11-19 07:50:59,496 INFO L158 Benchmark]: TraceAbstraction took 8134.02ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 105.2MB in the beginning and 172.4MB in the end (delta: -67.2MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB.
[2023-11-19 07:50:59,496 INFO L158 Benchmark]: Witness Printer took 119.16ms. Allocated memory is still 270.5MB. Free memory was 172.4MB in the beginning and 167.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:50:59,498 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 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 766.48ms. Allocated memory is still 186.6MB. Free memory was 156.2MB in the beginning and 151.3MB in the end (delta: 4.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 138.87ms. Allocated memory is still 186.6MB. Free memory was 151.3MB in the beginning and 148.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 80.87ms. Allocated memory is still 186.6MB. Free memory was 148.3MB in the beginning and 146.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 934.72ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 106.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 8134.02ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 105.2MB in the beginning and 172.4MB in the end (delta: -67.2MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB.
* Witness Printer took 119.16ms. Allocated memory is still 270.5MB. Free memory was 172.4MB in the beginning and 167.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 5.3s, 123 PlacesBefore, 37 PlacesAfterwards, 116 TransitionsBefore, 27 TransitionsAfterwards, 2862 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 3 ChoiceCompositions, 100 TotalNumberOfCompositions, 8377 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3103, independent: 2870, independent conditional: 0, independent unconditional: 2870, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1557, independent: 1511, independent conditional: 0, independent unconditional: 1511, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3103, independent: 1359, independent conditional: 0, independent unconditional: 1359, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 1557, unknown conditional: 0, unknown unconditional: 1557] , Statistics on independence cache: Total cache size (in pairs): 147, Positive cache size: 124, Positive conditional cache size: 0, Positive unconditional cache size: 124, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, 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: 783]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 783]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 803]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 803]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 150 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 241 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 4 mSDtfsCounter, 241 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:50:59,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31d45da-3a72-4880-a00a-3cb6716bf883/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