./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe001_power.oepc.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_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/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_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe001_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/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_7679b55f-ada4-4202-9e56-19ff54522894/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 67d3e2c6779f32015be5c9fe966e6a739e1c762dcde7f287ad383839eb490e84
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:02:09,081 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:02:09,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 08:02:09,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:02:09,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:02:09,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:02:09,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:02:09,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:02:09,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:02:09,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:02:09,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:02:09,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:02:09,226 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:02:09,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:02:09,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:02:09,228 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:02:09,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:02:09,229 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:02:09,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:02:09,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:02:09,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:02:09,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:02:09,239 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 08:02:09,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:02:09,240 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:02:09,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:02:09,241 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:02:09,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:02:09,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:02:09,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:02:09,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:02:09,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:02:09,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:02:09,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:02:09,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:02:09,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:02:09,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:02:09,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:02:09,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:02:09,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:02:09,249 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:02:09,254 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_7679b55f-ada4-4202-9e56-19ff54522894/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d3e2c6779f32015be5c9fe966e6a739e1c762dcde7f287ad383839eb490e84
[2023-11-19 08:02:09,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:02:09,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:02:09,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:02:09,663 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:02:09,664 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:02:09,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/safe001_power.oepc.i
[2023-11-19 08:02:13,344 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:02:13,739 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:02:13,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/sv-benchmarks/c/pthread-wmm/safe001_power.oepc.i
[2023-11-19 08:02:13,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/data/ba10e267b/1705f10ef6b44249abb1cccd312ea271/FLAG7b628216e
[2023-11-19 08:02:13,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/data/ba10e267b/1705f10ef6b44249abb1cccd312ea271
[2023-11-19 08:02:13,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:02:13,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:02:13,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:02:13,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:02:13,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:02:13,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:13" (1/1) ...
[2023-11-19 08:02:13,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c7e98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:13, skipping insertion in model container
[2023-11-19 08:02:13,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:13" (1/1) ...
[2023-11-19 08:02:13,913 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:02:14,537 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:02:14,555 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:02:14,700 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:02:14,754 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:02:14,754 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:02:14,765 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:02:14,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14 WrapperNode
[2023-11-19 08:02:14,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:02:14,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:02:14,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:02:14,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:02:14,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,909 INFO L138 Inliner]: procedures = 176, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 175
[2023-11-19 08:02:14,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:02:14,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:02:14,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:02:14,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:02:14,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:14,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:02:14,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:02:14,995 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:02:14,996 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:02:14,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (1/1) ...
[2023-11-19 08:02:15,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:02:15,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:02:15,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:02:15,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:02:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 08:02:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 08:02:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 08:02:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:02:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 08:02:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 08:02:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-19 08:02:15,143 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-19 08:02:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-19 08:02:15,143 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-19 08:02:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2023-11-19 08:02:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2023-11-19 08:02:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:02:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 08:02:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:02:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:02:15,149 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 08:02:15,390 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:02:15,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:02:16,123 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:02:16,847 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:02:16,848 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 08:02:16,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:16 BoogieIcfgContainer
[2023-11-19 08:02:16,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:02:16,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:02:16,864 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:02:16,898 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:02:16,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:13" (1/3) ...
[2023-11-19 08:02:16,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5a3d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:16, skipping insertion in model container
[2023-11-19 08:02:16,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14" (2/3) ...
[2023-11-19 08:02:16,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5a3d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:16, skipping insertion in model container
[2023-11-19 08:02:16,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:16" (3/3) ...
[2023-11-19 08:02:16,920 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_power.oepc.i
[2023-11-19 08:02:16,934 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 08:02:16,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:02:16,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-19 08:02:16,949 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 08:02:17,072 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 08:02:17,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 138 transitions, 288 flow
[2023-11-19 08:02:17,223 INFO L124 PetriNetUnfolderBase]: 3/135 cut-off events.
[2023-11-19 08:02:17,223 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:02:17,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 135 events. 3/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place.
[2023-11-19 08:02:17,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 138 transitions, 288 flow
[2023-11-19 08:02:17,239 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 135 transitions, 279 flow
[2023-11-19 08:02:17,244 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 08:02:17,257 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 135 transitions, 279 flow
[2023-11-19 08:02:17,261 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 135 transitions, 279 flow
[2023-11-19 08:02:17,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 135 transitions, 279 flow
[2023-11-19 08:02:17,312 INFO L124 PetriNetUnfolderBase]: 3/135 cut-off events.
[2023-11-19 08:02:17,312 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:02:17,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 135 events. 3/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place.
[2023-11-19 08:02:17,318 INFO L119 LiptonReduction]: Number of co-enabled transitions 2862
[2023-11-19 08:02:31,519 INFO L134 LiptonReduction]: Checked pairs total: 10099
[2023-11-19 08:02:31,519 INFO L136 LiptonReduction]: Total number of compositions: 122
[2023-11-19 08:02:31,534 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:02:31,542 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;@5d80892c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:02:31,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2023-11-19 08:02:31,549 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 08:02:31,549 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events.
[2023-11-19 08:02:31,550 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:02:31,550 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:31,551 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 08:02:31,552 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 08:02:31,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:31,561 INFO L85 PathProgramCache]: Analyzing trace with hash 956311487, now seen corresponding path program 1 times
[2023-11-19 08:02:31,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:31,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082322506]
[2023-11-19 08:02:31,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:31,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:32,032 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 08:02:32,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:32,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082322506]
[2023-11-19 08:02:32,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082322506] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:32,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:32,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 08:02:32,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014023140]
[2023-11-19 08:02:32,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:32,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:02:32,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:32,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:02:32,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:02:32,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 260
[2023-11-19 08:02:32,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 08:02:32,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:32,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 260
[2023-11-19 08:02:32,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:33,349 INFO L124 PetriNetUnfolderBase]: 2591/3742 cut-off events.
[2023-11-19 08:02:33,349 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES.
[2023-11-19 08:02:33,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7561 conditions, 3742 events. 2591/3742 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 16580 event pairs, 2591 based on Foata normal form. 180/3142 useless extension candidates. Maximal degree in co-relation 7550. Up to 3742 conditions per place.
[2023-11-19 08:02:33,386 INFO L140 encePairwiseOnDemand]: 255/260 looper letters, 24 selfloop transitions, 1 changer transitions 0/25 dead transitions.
[2023-11-19 08:02:33,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 25 transitions, 109 flow
[2023-11-19 08:02:33,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:02:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:02:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions.
[2023-11-19 08:02:33,406 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4717948717948718
[2023-11-19 08:02:33,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 368 transitions.
[2023-11-19 08:02:33,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 368 transitions.
[2023-11-19 08:02:33,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:33,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 368 transitions.
[2023-11-19 08:02:33,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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 08:02:33,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 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 08:02:33,427 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 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 08:02:33,429 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 67 flow. Second operand 3 states and 368 transitions.
[2023-11-19 08:02:33,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 25 transitions, 109 flow
[2023-11-19 08:02:33,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 25 transitions, 106 flow, removed 0 selfloop flow, removed 3 redundant places.
[2023-11-19 08:02:33,438 INFO L231 Difference]: Finished difference. Result has 34 places, 25 transitions, 58 flow
[2023-11-19 08:02:33,440 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=34, PETRI_TRANSITIONS=25}
[2023-11-19 08:02:33,445 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, -4 predicate places.
[2023-11-19 08:02:33,445 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 58 flow
[2023-11-19 08:02:33,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 08:02:33,446 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:33,446 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 08:02:33,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:02:33,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 08:02:33,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:33,458 INFO L85 PathProgramCache]: Analyzing trace with hash 956311488, now seen corresponding path program 1 times
[2023-11-19 08:02:33,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:33,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577577601]
[2023-11-19 08:02:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:33,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:33,574 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 08:02:33,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:33,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577577601]
[2023-11-19 08:02:33,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577577601] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:33,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:33,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 08:02:33,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801237115]
[2023-11-19 08:02:33,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:33,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:02:33,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:33,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:02:33,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:02:33,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 260
[2023-11-19 08:02:33,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 08:02:33,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:33,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 260
[2023-11-19 08:02:33,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:34,060 INFO L124 PetriNetUnfolderBase]: 1097/1726 cut-off events.
[2023-11-19 08:02:34,060 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:02:34,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3510 conditions, 1726 events. 1097/1726 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 7582 event pairs, 401 based on Foata normal form. 0/1456 useless extension candidates. Maximal degree in co-relation 3504. Up to 1401 conditions per place.
[2023-11-19 08:02:34,073 INFO L140 encePairwiseOnDemand]: 252/260 looper letters, 37 selfloop transitions, 4 changer transitions 0/41 dead transitions.
[2023-11-19 08:02:34,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 41 transitions, 176 flow
[2023-11-19 08:02:34,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:02:34,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:02:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions.
[2023-11-19 08:02:34,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49230769230769234
[2023-11-19 08:02:34,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions.
[2023-11-19 08:02:34,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions.
[2023-11-19 08:02:34,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:34,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions.
[2023-11-19 08:02:34,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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 08:02:34,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 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 08:02:34,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 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 08:02:34,083 INFO L175 Difference]: Start difference. First operand has 34 places, 25 transitions, 58 flow. Second operand 3 states and 384 transitions.
[2023-11-19 08:02:34,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 41 transitions, 176 flow
[2023-11-19 08:02:34,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 41 transitions, 175 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 08:02:34,086 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 89 flow
[2023-11-19 08:02:34,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=89, PETRI_PLACES=36, PETRI_TRANSITIONS=28}
[2023-11-19 08:02:34,087 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places.
[2023-11-19 08:02:34,087 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 89 flow
[2023-11-19 08:02:34,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 08:02:34,088 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:34,088 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:34,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:02:34,089 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 08:02:34,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:34,089 INFO L85 PathProgramCache]: Analyzing trace with hash 205064268, now seen corresponding path program 1 times
[2023-11-19 08:02:34,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:34,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064011639]
[2023-11-19 08:02:34,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:34,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:34,202 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 08:02:34,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:34,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064011639]
[2023-11-19 08:02:34,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064011639] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:34,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:34,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:02:34,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529529536]
[2023-11-19 08:02:34,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:34,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:02:34,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:34,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:02:34,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:02:34,220 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 260
[2023-11-19 08:02:34,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 89 flow. Second operand has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 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 08:02:34,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:34,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 260
[2023-11-19 08:02:34,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:34,539 INFO L124 PetriNetUnfolderBase]: 498/813 cut-off events.
[2023-11-19 08:02:34,539 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES.
[2023-11-19 08:02:34,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1973 conditions, 813 events. 498/813 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3080 event pairs, 215 based on Foata normal form. 40/835 useless extension candidates. Maximal degree in co-relation 1965. Up to 326 conditions per place.
[2023-11-19 08:02:34,546 INFO L140 encePairwiseOnDemand]: 252/260 looper letters, 45 selfloop transitions, 7 changer transitions 3/55 dead transitions.
[2023-11-19 08:02:34,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 55 transitions, 265 flow
[2023-11-19 08:02:34,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:02:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 08:02:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 511 transitions.
[2023-11-19 08:02:34,549 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4913461538461538
[2023-11-19 08:02:34,550 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 511 transitions.
[2023-11-19 08:02:34,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 511 transitions.
[2023-11-19 08:02:34,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:34,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 511 transitions.
[2023-11-19 08:02:34,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 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 08:02:34,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 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 08:02:34,557 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 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 08:02:34,557 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 89 flow. Second operand 4 states and 511 transitions.
[2023-11-19 08:02:34,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 55 transitions, 265 flow
[2023-11-19 08:02:34,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 55 transitions, 261 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 08:02:34,560 INFO L231 Difference]: Finished difference. Result has 39 places, 28 transitions, 113 flow
[2023-11-19 08:02:34,560 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=113, PETRI_PLACES=39, PETRI_TRANSITIONS=28}
[2023-11-19 08:02:34,561 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 1 predicate places.
[2023-11-19 08:02:34,561 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 113 flow
[2023-11-19 08:02:34,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 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 08:02:34,562 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:34,562 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:34,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:02:34,563 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 08:02:34,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:34,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1383625105, now seen corresponding path program 1 times
[2023-11-19 08:02:34,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:34,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181970586]
[2023-11-19 08:02:34,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:34,721 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 08:02:34,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:34,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181970586]
[2023-11-19 08:02:34,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181970586] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:34,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:34,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:02:34,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124804177]
[2023-11-19 08:02:34,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:34,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:02:34,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:34,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:02:34,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:02:34,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 260
[2023-11-19 08:02:34,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 113 flow. Second operand has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 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 08:02:34,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:34,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 260
[2023-11-19 08:02:34,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:35,006 INFO L124 PetriNetUnfolderBase]: 434/681 cut-off events.
[2023-11-19 08:02:35,006 INFO L125 PetriNetUnfolderBase]: For 471/471 co-relation queries the response was YES.
[2023-11-19 08:02:35,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1756 conditions, 681 events. 434/681 cut-off events. For 471/471 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2508 event pairs, 199 based on Foata normal form. 17/698 useless extension candidates. Maximal degree in co-relation 1746. Up to 326 conditions per place.
[2023-11-19 08:02:35,009 INFO L140 encePairwiseOnDemand]: 252/260 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions.
[2023-11-19 08:02:35,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 45 transitions, 227 flow
[2023-11-19 08:02:35,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:02:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 08:02:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 614 transitions.
[2023-11-19 08:02:35,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4723076923076923
[2023-11-19 08:02:35,013 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 614 transitions.
[2023-11-19 08:02:35,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 614 transitions.
[2023-11-19 08:02:35,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:35,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 614 transitions.
[2023-11-19 08:02:35,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 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 08:02:35,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 260.0) internal successors, (1560), 6 states have internal predecessors, (1560), 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 08:02:35,023 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 260.0) internal successors, (1560), 6 states have internal predecessors, (1560), 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 08:02:35,023 INFO L175 Difference]: Start difference. First operand has 39 places, 28 transitions, 113 flow. Second operand 5 states and 614 transitions.
[2023-11-19 08:02:35,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 45 transitions, 227 flow
[2023-11-19 08:02:35,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 45 transitions, 203 flow, removed 3 selfloop flow, removed 4 redundant places.
[2023-11-19 08:02:35,027 INFO L231 Difference]: Finished difference. Result has 32 places, 0 transitions, 0 flow
[2023-11-19 08:02:35,027 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=32, PETRI_TRANSITIONS=0}
[2023-11-19 08:02:35,028 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, -6 predicate places.
[2023-11-19 08:02:35,029 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 0 transitions, 0 flow
[2023-11-19 08:02:35,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 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 08:02:35,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2023-11-19 08:02:35,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2023-11-19 08:02:35,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2023-11-19 08:02:35,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2023-11-19 08:02:35,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2023-11-19 08:02:35,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2023-11-19 08:02:35,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2023-11-19 08:02:35,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2023-11-19 08:02:35,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2023-11-19 08:02:35,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2023-11-19 08:02:35,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2023-11-19 08:02:35,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2023-11-19 08:02:35,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2023-11-19 08:02:35,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2023-11-19 08:02:35,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2023-11-19 08:02:35,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:02:35,038 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 08:02:35,044 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 08:02:35,045 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:02:35,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:35 BasicIcfg
[2023-11-19 08:02:35,050 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:02:35,051 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:02:35,051 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:02:35,052 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:02:35,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:16" (3/4) ...
[2023-11-19 08:02:35,054 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 08:02:35,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-11-19 08:02:35,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-11-19 08:02:35,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2023-11-19 08:02:35,065 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 08:02:35,065 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 08:02:35,065 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 08:02:35,066 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 08:02:35,167 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:02:35,168 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 08:02:35,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:02:35,169 INFO L158 Benchmark]: Toolchain (without parser) took 21358.95ms. Allocated memory was 213.9MB in the beginning and 310.4MB in the end (delta: 96.5MB). Free memory was 183.4MB in the beginning and 210.9MB in the end (delta: -27.5MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB.
[2023-11-19 08:02:35,170 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory was 98.3MB in the beginning and 98.3MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:02:35,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 949.91ms. Allocated memory is still 213.9MB. Free memory was 183.2MB in the beginning and 162.2MB in the end (delta: 21.1MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB.
[2023-11-19 08:02:35,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.76ms. Allocated memory is still 213.9MB. Free memory was 162.2MB in the beginning and 158.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:02:35,171 INFO L158 Benchmark]: Boogie Preprocessor took 83.73ms. Allocated memory is still 213.9MB. Free memory was 158.8MB in the beginning and 156.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:02:35,172 INFO L158 Benchmark]: RCFGBuilder took 1862.34ms. Allocated memory is still 213.9MB. Free memory was 156.7MB in the beginning and 168.6MB in the end (delta: -11.9MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB.
[2023-11-19 08:02:35,172 INFO L158 Benchmark]: TraceAbstraction took 18186.68ms. Allocated memory was 213.9MB in the beginning and 310.4MB in the end (delta: 96.5MB). Free memory was 167.6MB in the beginning and 216.2MB in the end (delta: -48.6MB). Peak memory consumption was 181.6MB. Max. memory is 16.1GB.
[2023-11-19 08:02:35,173 INFO L158 Benchmark]: Witness Printer took 117.18ms. Allocated memory is still 310.4MB. Free memory was 216.2MB in the beginning and 210.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 08:02:35,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory was 98.3MB in the beginning and 98.3MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 949.91ms. Allocated memory is still 213.9MB. Free memory was 183.2MB in the beginning and 162.2MB in the end (delta: 21.1MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 141.76ms. Allocated memory is still 213.9MB. Free memory was 162.2MB in the beginning and 158.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 83.73ms. Allocated memory is still 213.9MB. Free memory was 158.8MB in the beginning and 156.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1862.34ms. Allocated memory is still 213.9MB. Free memory was 156.7MB in the beginning and 168.6MB in the end (delta: -11.9MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 18186.68ms. Allocated memory was 213.9MB in the beginning and 310.4MB in the end (delta: 96.5MB). Free memory was 167.6MB in the beginning and 216.2MB in the end (delta: -48.6MB). Peak memory consumption was 181.6MB. Max. memory is 16.1GB.
* Witness Printer took 117.18ms. Allocated memory is still 310.4MB. Free memory was 216.2MB in the beginning and 210.9MB in the end (delta: 5.3MB). 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: 14.3s, 142 PlacesBefore, 38 PlacesAfterwards, 135 TransitionsBefore, 29 TransitionsAfterwards, 2862 CoEnabledTransitionPairs, 8 FixpointIterations, 55 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 2 ChoiceCompositions, 122 TotalNumberOfCompositions, 10099 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3106, independent: 2783, independent conditional: 0, independent unconditional: 2783, dependent: 323, dependent conditional: 0, dependent unconditional: 323, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1532, independent: 1477, independent conditional: 0, independent unconditional: 1477, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3106, independent: 1306, independent conditional: 0, independent unconditional: 1306, dependent: 268, dependent conditional: 0, dependent unconditional: 268, unknown: 1532, unknown conditional: 0, unknown unconditional: 1532] , Statistics on independence cache: Total cache size (in pairs): 98, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- 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
- PositiveResult [Line: 836]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 836]: 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, 169 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: 17.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 4 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 0.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 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 08:02:35,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7679b55f-ada4-4202-9e56-19ff54522894/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