./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 b68e155d55184c39a54e11a2c420443b840324481c8995060134516395f2d120 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:05:02,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:05:02,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:05:02,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:05:02,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:05:02,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:05:02,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:05:02,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:05:02,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:05:02,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:05:02,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:05:02,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:05:02,240 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:05:02,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:05:02,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:05:02,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:05:02,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:05:02,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:05:02,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:05:02,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:05:02,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:05:02,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:05:02,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:05:02,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:05:02,254 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:05:02,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:05:02,255 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:05:02,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:05:02,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:05:02,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:05:02,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:02,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:05:02,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:05:02,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:05:02,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:05:02,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:05:02,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:05:02,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:05:02,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:05:02,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:05:02,261 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:05:02,264 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_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68e155d55184c39a54e11a2c420443b840324481c8995060134516395f2d120 [2023-11-06 22:05:02,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:05:02,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:05:02,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:05:02,683 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:05:02,683 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:05:02,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-06 22:05:06,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:05:06,406 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:05:06,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-06 22:05:06,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/data/df29cbdb1/896be51f34794a9d95c9c4b80f1eb0d4/FLAGb17c5a28f [2023-11-06 22:05:06,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/data/df29cbdb1/896be51f34794a9d95c9c4b80f1eb0d4 [2023-11-06 22:05:06,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:05:06,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:05:06,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:06,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:05:06,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:05:06,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6424ad36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06, skipping insertion in model container [2023-11-06 22:05:06,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:05:06,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:06,788 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:05:06,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:06,842 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:05:06,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06 WrapperNode [2023-11-06 22:05:06,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:06,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:06,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:05:06,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:05:06,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,910 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 339 [2023-11-06 22:05:06,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:06,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:05:06,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:05:06,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:05:06,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:05:06,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:05:06,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:05:06,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:05:06,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (1/1) ... [2023-11-06 22:05:06,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:06,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:07,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:05:07,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:05:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:05:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:05:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:05:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:05:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:05:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:05:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:05:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:05:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:05:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:05:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:05:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:05:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:05:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:05:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:05:07,057 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:05:07,188 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:05:07,190 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:05:07,918 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:05:07,947 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:05:07,947 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 22:05:07,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:07 BoogieIcfgContainer [2023-11-06 22:05:07,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:05:07,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:05:07,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:05:07,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:05:07,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:05:06" (1/3) ... [2023-11-06 22:05:07,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35998489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:07, skipping insertion in model container [2023-11-06 22:05:07,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:06" (2/3) ... [2023-11-06 22:05:07,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35998489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:07, skipping insertion in model container [2023-11-06 22:05:07,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:07" (3/3) ... [2023-11-06 22:05:07,967 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2023-11-06 22:05:07,978 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:05:07,992 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:05:07,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-06 22:05:07,994 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:05:08,172 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:05:08,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 436 places, 461 transitions, 943 flow [2023-11-06 22:05:08,466 INFO L124 PetriNetUnfolderBase]: 35/458 cut-off events. [2023-11-06 22:05:08,466 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:05:08,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 458 events. 35/458 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 948 event pairs, 0 based on Foata normal form. 0/393 useless extension candidates. Maximal degree in co-relation 341. Up to 2 conditions per place. [2023-11-06 22:05:08,486 INFO L82 GeneralOperation]: Start removeDead. Operand has 436 places, 461 transitions, 943 flow [2023-11-06 22:05:08,507 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 426 transitions, 867 flow [2023-11-06 22:05:08,512 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:05:08,535 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 426 transitions, 867 flow [2023-11-06 22:05:08,545 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 426 transitions, 867 flow [2023-11-06 22:05:08,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 403 places, 426 transitions, 867 flow [2023-11-06 22:05:08,680 INFO L124 PetriNetUnfolderBase]: 33/426 cut-off events. [2023-11-06 22:05:08,680 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:05:08,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 426 events. 33/426 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 906 event pairs, 0 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 341. Up to 2 conditions per place. [2023-11-06 22:05:08,713 INFO L119 LiptonReduction]: Number of co-enabled transitions 43134 [2023-11-06 22:05:37,667 INFO L134 LiptonReduction]: Checked pairs total: 45737 [2023-11-06 22:05:37,667 INFO L136 LiptonReduction]: Total number of compositions: 570 [2023-11-06 22:05:37,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:05:37,693 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=LoopsAndPotentialCycles, 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;@55c760bd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:05:37,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2023-11-06 22:05:37,697 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:05:37,698 INFO L124 PetriNetUnfolderBase]: 1/2 cut-off events. [2023-11-06 22:05:37,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:05:37,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:37,699 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-06 22:05:37,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-11-06 22:05:37,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:37,707 INFO L85 PathProgramCache]: Analyzing trace with hash 60398, now seen corresponding path program 1 times [2023-11-06 22:05:37,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:37,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678955008] [2023-11-06 22:05:37,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:37,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:38,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:38,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678955008] [2023-11-06 22:05:38,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678955008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:38,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:38,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:05:38,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214532239] [2023-11-06 22:05:38,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:38,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:38,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:38,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:38,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:38,247 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 1031 [2023-11-06 22:05:38,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 416.6666666666667) internal successors, (1250), 3 states have internal predecessors, (1250), 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) [2023-11-06 22:05:38,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:38,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 1031 [2023-11-06 22:05:38,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:39,996 INFO L124 PetriNetUnfolderBase]: 4763/6772 cut-off events. [2023-11-06 22:05:39,997 INFO L125 PetriNetUnfolderBase]: For 337/337 co-relation queries the response was YES. [2023-11-06 22:05:40,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13859 conditions, 6772 events. 4763/6772 cut-off events. For 337/337 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 34350 event pairs, 4157 based on Foata normal form. 0/2782 useless extension candidates. Maximal degree in co-relation 12700. Up to 6768 conditions per place. [2023-11-06 22:05:40,104 INFO L140 encePairwiseOnDemand]: 1011/1031 looper letters, 50 selfloop transitions, 7 changer transitions 0/57 dead transitions. [2023-11-06 22:05:40,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 57 transitions, 243 flow [2023-11-06 22:05:40,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:40,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:05:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1318 transitions. [2023-11-06 22:05:40,139 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4261235046880052 [2023-11-06 22:05:40,140 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1318 transitions. [2023-11-06 22:05:40,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1318 transitions. [2023-11-06 22:05:40,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:40,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1318 transitions. [2023-11-06 22:05:40,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 439.3333333333333) internal successors, (1318), 3 states have internal predecessors, (1318), 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) [2023-11-06 22:05:40,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1031.0) internal successors, (4124), 4 states have internal predecessors, (4124), 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) [2023-11-06 22:05:40,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1031.0) internal successors, (4124), 4 states have internal predecessors, (4124), 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) [2023-11-06 22:05:40,186 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 131 flow. Second operand 3 states and 1318 transitions. [2023-11-06 22:05:40,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 57 transitions, 243 flow [2023-11-06 22:05:40,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 57 transitions, 234 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:05:40,204 INFO L231 Difference]: Finished difference. Result has 54 places, 57 transitions, 172 flow [2023-11-06 22:05:40,206 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1031, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=54, PETRI_TRANSITIONS=57} [2023-11-06 22:05:40,212 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -8 predicate places. [2023-11-06 22:05:40,213 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 57 transitions, 172 flow [2023-11-06 22:05:40,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.6666666666667) internal successors, (1250), 3 states have internal predecessors, (1250), 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) [2023-11-06 22:05:40,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:40,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-06 22:05:40,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:05:40,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-11-06 22:05:40,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:40,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1877217, now seen corresponding path program 1 times [2023-11-06 22:05:40,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:40,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85195136] [2023-11-06 22:05:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:40,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:40,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:40,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85195136] [2023-11-06 22:05:40,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85195136] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:05:40,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411661119] [2023-11-06 22:05:40,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:40,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:40,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:05:40,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:05:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:40,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:05:40,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:05:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:40,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:05:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:40,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411661119] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:05:40,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:05:40,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5 [2023-11-06 22:05:40,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824910897] [2023-11-06 22:05:40,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:05:40,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:05:40,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:40,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:05:40,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:05:40,753 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 1031 [2023-11-06 22:05:40,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 57 transitions, 172 flow. Second operand has 7 states, 7 states have (on average 417.14285714285717) internal successors, (2920), 7 states have internal predecessors, (2920), 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) [2023-11-06 22:05:40,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:40,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 1031 [2023-11-06 22:05:40,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:42,414 INFO L124 PetriNetUnfolderBase]: 4781/6799 cut-off events. [2023-11-06 22:05:42,414 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2023-11-06 22:05:42,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13872 conditions, 6799 events. 4781/6799 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 34440 event pairs, 4157 based on Foata normal form. 0/2801 useless extension candidates. Maximal degree in co-relation 13717. Up to 6768 conditions per place. [2023-11-06 22:05:42,478 INFO L140 encePairwiseOnDemand]: 1018/1031 looper letters, 47 selfloop transitions, 37 changer transitions 0/84 dead transitions. [2023-11-06 22:05:42,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 84 transitions, 460 flow [2023-11-06 22:05:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:05:42,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:05:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3005 transitions. [2023-11-06 22:05:42,492 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41637799639739503 [2023-11-06 22:05:42,492 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3005 transitions. [2023-11-06 22:05:42,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3005 transitions. [2023-11-06 22:05:42,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:42,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3005 transitions. [2023-11-06 22:05:42,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 429.2857142857143) internal successors, (3005), 7 states have internal predecessors, (3005), 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) [2023-11-06 22:05:42,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1031.0) internal successors, (8248), 8 states have internal predecessors, (8248), 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) [2023-11-06 22:05:42,533 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1031.0) internal successors, (8248), 8 states have internal predecessors, (8248), 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) [2023-11-06 22:05:42,533 INFO L175 Difference]: Start difference. First operand has 54 places, 57 transitions, 172 flow. Second operand 7 states and 3005 transitions. [2023-11-06 22:05:42,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 84 transitions, 460 flow [2023-11-06 22:05:42,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 84 transitions, 434 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:05:42,537 INFO L231 Difference]: Finished difference. Result has 61 places, 84 transitions, 402 flow [2023-11-06 22:05:42,538 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1031, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=402, PETRI_PLACES=61, PETRI_TRANSITIONS=84} [2023-11-06 22:05:42,539 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -1 predicate places. [2023-11-06 22:05:42,539 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 84 transitions, 402 flow [2023-11-06 22:05:42,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 417.14285714285717) internal successors, (2920), 7 states have internal predecessors, (2920), 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) [2023-11-06 22:05:42,542 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:42,543 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1] [2023-11-06 22:05:42,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:05:42,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:42,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-11-06 22:05:42,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:42,750 INFO L85 PathProgramCache]: Analyzing trace with hash 58197550, now seen corresponding path program 1 times [2023-11-06 22:05:42,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:42,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144510433] [2023-11-06 22:05:42,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:42,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:42,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:42,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144510433] [2023-11-06 22:05:42,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144510433] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:05:42,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84173005] [2023-11-06 22:05:42,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:42,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:42,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:42,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:05:42,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:05:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:05:43,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:05:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:43,076 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:05:43,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84173005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:43,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:05:43,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-06 22:05:43,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728225231] [2023-11-06 22:05:43,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:43,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:05:43,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:43,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:05:43,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:05:43,161 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 1031 [2023-11-06 22:05:43,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 84 transitions, 402 flow. Second operand has 5 states, 5 states have (on average 416.8) internal successors, (2084), 5 states have internal predecessors, (2084), 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) [2023-11-06 22:05:43,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:43,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 1031 [2023-11-06 22:05:43,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:44,686 INFO L124 PetriNetUnfolderBase]: 4772/6787 cut-off events. [2023-11-06 22:05:44,687 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2023-11-06 22:05:44,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13882 conditions, 6787 events. 4772/6787 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 34395 event pairs, 4157 based on Foata normal form. 0/2803 useless extension candidates. Maximal degree in co-relation 13788. Up to 6759 conditions per place. [2023-11-06 22:05:44,744 INFO L140 encePairwiseOnDemand]: 1021/1031 looper letters, 52 selfloop transitions, 20 changer transitions 0/72 dead transitions. [2023-11-06 22:05:44,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 72 transitions, 465 flow [2023-11-06 22:05:44,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:05:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:05:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2146 transitions. [2023-11-06 22:05:44,755 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41629485935984484 [2023-11-06 22:05:44,756 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2146 transitions. [2023-11-06 22:05:44,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2146 transitions. [2023-11-06 22:05:44,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:44,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2146 transitions. [2023-11-06 22:05:44,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 429.2) internal successors, (2146), 5 states have internal predecessors, (2146), 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) [2023-11-06 22:05:44,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1031.0) internal successors, (6186), 6 states have internal predecessors, (6186), 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) [2023-11-06 22:05:44,788 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1031.0) internal successors, (6186), 6 states have internal predecessors, (6186), 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) [2023-11-06 22:05:44,788 INFO L175 Difference]: Start difference. First operand has 61 places, 84 transitions, 402 flow. Second operand 5 states and 2146 transitions. [2023-11-06 22:05:44,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 72 transitions, 465 flow [2023-11-06 22:05:44,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 72 transitions, 428 flow, removed 12 selfloop flow, removed 1 redundant places. [2023-11-06 22:05:44,794 INFO L231 Difference]: Finished difference. Result has 60 places, 72 transitions, 324 flow [2023-11-06 22:05:44,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1031, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=324, PETRI_PLACES=60, PETRI_TRANSITIONS=72} [2023-11-06 22:05:44,796 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -2 predicate places. [2023-11-06 22:05:44,796 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 72 transitions, 324 flow [2023-11-06 22:05:44,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 416.8) internal successors, (2084), 5 states have internal predecessors, (2084), 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) [2023-11-06 22:05:44,799 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:44,799 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1] [2023-11-06 22:05:44,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:05:45,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:45,007 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-11-06 22:05:45,008 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:45,008 INFO L85 PathProgramCache]: Analyzing trace with hash 93425807, now seen corresponding path program 2 times [2023-11-06 22:05:45,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:45,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982429884] [2023-11-06 22:05:45,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:45,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:45,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:45,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982429884] [2023-11-06 22:05:45,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982429884] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:05:45,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307696379] [2023-11-06 22:05:45,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:05:45,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:45,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:45,170 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:05:45,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:05:45,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:05:45,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:05:45,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:05:45,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:05:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 22:05:45,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:05:45,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307696379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:45,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:05:45,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [5] total 6 [2023-11-06 22:05:45,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390132512] [2023-11-06 22:05:45,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:45,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:45,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:45,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:45,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:05:45,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 1031 [2023-11-06 22:05:45,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 72 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 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) [2023-11-06 22:05:45,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:45,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 1031 [2023-11-06 22:05:45,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:46,996 INFO L124 PetriNetUnfolderBase]: 4772/6784 cut-off events. [2023-11-06 22:05:46,997 INFO L125 PetriNetUnfolderBase]: For 88/88 co-relation queries the response was YES. [2023-11-06 22:05:47,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13864 conditions, 6784 events. 4772/6784 cut-off events. For 88/88 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 34386 event pairs, 4157 based on Foata normal form. 3/2809 useless extension candidates. Maximal degree in co-relation 13792. Up to 6759 conditions per place. [2023-11-06 22:05:47,045 INFO L140 encePairwiseOnDemand]: 1026/1031 looper letters, 63 selfloop transitions, 6 changer transitions 0/69 dead transitions. [2023-11-06 22:05:47,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 69 transitions, 432 flow [2023-11-06 22:05:47,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:05:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1314 transitions. [2023-11-06 22:05:47,059 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4248302618816683 [2023-11-06 22:05:47,059 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1314 transitions. [2023-11-06 22:05:47,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1314 transitions. [2023-11-06 22:05:47,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:47,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1314 transitions. [2023-11-06 22:05:47,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 438.0) internal successors, (1314), 3 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) [2023-11-06 22:05:47,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1031.0) internal successors, (4124), 4 states have internal predecessors, (4124), 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) [2023-11-06 22:05:47,078 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1031.0) internal successors, (4124), 4 states have internal predecessors, (4124), 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) [2023-11-06 22:05:47,078 INFO L175 Difference]: Start difference. First operand has 60 places, 72 transitions, 324 flow. Second operand 3 states and 1314 transitions. [2023-11-06 22:05:47,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 69 transitions, 432 flow [2023-11-06 22:05:47,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 69 transitions, 356 flow, removed 4 selfloop flow, removed 7 redundant places. [2023-11-06 22:05:47,084 INFO L231 Difference]: Finished difference. Result has 52 places, 69 transitions, 230 flow [2023-11-06 22:05:47,085 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1031, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=52, PETRI_TRANSITIONS=69} [2023-11-06 22:05:47,087 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -10 predicate places. [2023-11-06 22:05:47,087 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 69 transitions, 230 flow [2023-11-06 22:05:47,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 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) [2023-11-06 22:05:47,088 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:47,088 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:47,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:05:47,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:47,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-11-06 22:05:47,295 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:47,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1931790335, now seen corresponding path program 1 times [2023-11-06 22:05:47,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:47,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110830187] [2023-11-06 22:05:47,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:47,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:47,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:47,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110830187] [2023-11-06 22:05:47,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110830187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:47,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:47,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:05:47,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451557171] [2023-11-06 22:05:47,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:47,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:47,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:47,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:47,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:47,516 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 1031 [2023-11-06 22:05:47,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 69 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 415.6666666666667) internal successors, (1247), 3 states have internal predecessors, (1247), 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) [2023-11-06 22:05:47,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:47,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 1031 [2023-11-06 22:05:47,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:48,673 INFO L124 PetriNetUnfolderBase]: 4769/6781 cut-off events. [2023-11-06 22:05:48,674 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2023-11-06 22:05:48,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13813 conditions, 6781 events. 4769/6781 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 34626 event pairs, 4157 based on Foata normal form. 1/2802 useless extension candidates. Maximal degree in co-relation 13717. Up to 6773 conditions per place. [2023-11-06 22:05:48,727 INFO L140 encePairwiseOnDemand]: 1024/1031 looper letters, 54 selfloop transitions, 12 changer transitions 0/66 dead transitions. [2023-11-06 22:05:48,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 66 transitions, 348 flow [2023-11-06 22:05:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:05:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2023-11-06 22:05:48,748 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41707080504364696 [2023-11-06 22:05:48,748 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1290 transitions. [2023-11-06 22:05:48,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1290 transitions. [2023-11-06 22:05:48,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:48,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1290 transitions. [2023-11-06 22:05:48,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 430.0) internal successors, (1290), 3 states have internal predecessors, (1290), 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) [2023-11-06 22:05:48,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1031.0) internal successors, (4124), 4 states have internal predecessors, (4124), 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) [2023-11-06 22:05:48,778 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1031.0) internal successors, (4124), 4 states have internal predecessors, (4124), 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) [2023-11-06 22:05:48,778 INFO L175 Difference]: Start difference. First operand has 52 places, 69 transitions, 230 flow. Second operand 3 states and 1290 transitions. [2023-11-06 22:05:48,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 66 transitions, 348 flow [2023-11-06 22:05:48,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 66 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:05:48,786 INFO L231 Difference]: Finished difference. Result has 52 places, 66 transitions, 230 flow [2023-11-06 22:05:48,787 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1031, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=52, PETRI_TRANSITIONS=66} [2023-11-06 22:05:48,792 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -10 predicate places. [2023-11-06 22:05:48,792 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 66 transitions, 230 flow [2023-11-06 22:05:48,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.6666666666667) internal successors, (1247), 3 states have internal predecessors, (1247), 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) [2023-11-06 22:05:48,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:48,794 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:48,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:05:48,794 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-11-06 22:05:48,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:48,796 INFO L85 PathProgramCache]: Analyzing trace with hash 365313270, now seen corresponding path program 1 times [2023-11-06 22:05:48,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:48,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134437176] [2023-11-06 22:05:48,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:48,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:05:48,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:48,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134437176] [2023-11-06 22:05:48,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134437176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:48,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:48,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:05:48,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614063977] [2023-11-06 22:05:48,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:48,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:48,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:48,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:48,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:48,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 1031 [2023-11-06 22:05:48,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 66 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 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) [2023-11-06 22:05:48,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:48,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 1031 [2023-11-06 22:05:48,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:51,276 INFO L124 PetriNetUnfolderBase]: 8199/11661 cut-off events. [2023-11-06 22:05:51,276 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2023-11-06 22:05:51,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23727 conditions, 11661 events. 8199/11661 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 753. Compared 68130 event pairs, 4157 based on Foata normal form. 0/4806 useless extension candidates. Maximal degree in co-relation 23649. Up to 6782 conditions per place. [2023-11-06 22:05:51,342 INFO L140 encePairwiseOnDemand]: 1027/1031 looper letters, 98 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2023-11-06 22:05:51,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 100 transitions, 503 flow [2023-11-06 22:05:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:05:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1368 transitions. [2023-11-06 22:05:51,350 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4422890397672163 [2023-11-06 22:05:51,350 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1368 transitions. [2023-11-06 22:05:51,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1368 transitions. [2023-11-06 22:05:51,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:51,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1368 transitions. [2023-11-06 22:05:51,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 456.0) internal successors, (1368), 3 states have internal predecessors, (1368), 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) [2023-11-06 22:05:51,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1031.0) internal successors, (4124), 4 states have internal predecessors, (4124), 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) [2023-11-06 22:05:51,367 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1031.0) internal successors, (4124), 4 states have internal predecessors, (4124), 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) [2023-11-06 22:05:51,367 INFO L175 Difference]: Start difference. First operand has 52 places, 66 transitions, 230 flow. Second operand 3 states and 1368 transitions. [2023-11-06 22:05:51,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 100 transitions, 503 flow [2023-11-06 22:05:51,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 100 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:05:51,371 INFO L231 Difference]: Finished difference. Result has 53 places, 67 transitions, 220 flow [2023-11-06 22:05:51,371 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1031, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=53, PETRI_TRANSITIONS=67} [2023-11-06 22:05:51,372 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -9 predicate places. [2023-11-06 22:05:51,372 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 67 transitions, 220 flow [2023-11-06 22:05:51,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 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) [2023-11-06 22:05:51,374 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:51,374 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:51,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:05:51,374 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-11-06 22:05:51,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:51,375 INFO L85 PathProgramCache]: Analyzing trace with hash 365313272, now seen corresponding path program 1 times [2023-11-06 22:05:51,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:51,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585091369] [2023-11-06 22:05:51,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:51,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:05:51,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:51,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585091369] [2023-11-06 22:05:51,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585091369] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:05:51,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319573098] [2023-11-06 22:05:51,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:51,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:51,494 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:05:51,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:05:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:05:51,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:05:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:05:51,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:05:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:05:51,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319573098] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:05:51,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:05:51,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2023-11-06 22:05:51,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770843924] [2023-11-06 22:05:51,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:05:51,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:05:51,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:51,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:05:51,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:05:51,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 1031 [2023-11-06 22:05:52,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 67 transitions, 220 flow. Second operand has 8 states, 8 states have (on average 409.375) internal successors, (3275), 8 states have internal predecessors, (3275), 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) [2023-11-06 22:05:52,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:52,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 1031 [2023-11-06 22:05:52,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:53,570 INFO L124 PetriNetUnfolderBase]: 8190/11652 cut-off events. [2023-11-06 22:05:53,570 INFO L125 PetriNetUnfolderBase]: For 1043/1043 co-relation queries the response was YES. [2023-11-06 22:05:53,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24781 conditions, 11652 events. 8190/11652 cut-off events. For 1043/1043 co-relation queries the response was YES. Maximal size of possible extension queue 743. Compared 63754 event pairs, 7283 based on Foata normal form. 6/5168 useless extension candidates. Maximal degree in co-relation 24716. Up to 11641 conditions per place. [2023-11-06 22:05:53,637 INFO L140 encePairwiseOnDemand]: 1024/1031 looper letters, 43 selfloop transitions, 15 changer transitions 0/58 dead transitions. [2023-11-06 22:05:53,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 294 flow [2023-11-06 22:05:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:05:53,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:05:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2508 transitions. [2023-11-06 22:05:53,649 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40543161978661496 [2023-11-06 22:05:53,649 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2508 transitions. [2023-11-06 22:05:53,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2508 transitions. [2023-11-06 22:05:53,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:53,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2508 transitions. [2023-11-06 22:05:53,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 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) [2023-11-06 22:05:53,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1031.0) internal successors, (7217), 7 states have internal predecessors, (7217), 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) [2023-11-06 22:05:53,674 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1031.0) internal successors, (7217), 7 states have internal predecessors, (7217), 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) [2023-11-06 22:05:53,674 INFO L175 Difference]: Start difference. First operand has 53 places, 67 transitions, 220 flow. Second operand 6 states and 2508 transitions. [2023-11-06 22:05:53,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 294 flow [2023-11-06 22:05:53,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 58 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:05:53,685 INFO L231 Difference]: Finished difference. Result has 57 places, 58 transitions, 206 flow [2023-11-06 22:05:53,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1031, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=206, PETRI_PLACES=57, PETRI_TRANSITIONS=58} [2023-11-06 22:05:53,687 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -5 predicate places. [2023-11-06 22:05:53,688 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 58 transitions, 206 flow [2023-11-06 22:05:53,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 409.375) internal successors, (3275), 8 states have internal predecessors, (3275), 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) [2023-11-06 22:05:53,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:53,690 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:53,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:05:53,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:53,896 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-11-06 22:05:53,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:53,897 INFO L85 PathProgramCache]: Analyzing trace with hash -14795071, now seen corresponding path program 2 times [2023-11-06 22:05:53,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:53,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671905005] [2023-11-06 22:05:53,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:53,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-06 22:05:54,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:54,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671905005] [2023-11-06 22:05:54,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671905005] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:05:54,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211599232] [2023-11-06 22:05:54,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:05:54,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:54,190 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:05:54,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:05:54,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:05:54,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:05:54,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:05:54,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:05:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-06 22:05:54,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:05:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-06 22:05:54,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211599232] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:05:54,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:05:54,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2023-11-06 22:05:54,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909779821] [2023-11-06 22:05:54,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:05:54,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-06 22:05:54,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:54,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-06 22:05:54,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:05:55,009 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 1031 [2023-11-06 22:05:55,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 58 transitions, 206 flow. Second operand has 17 states, 17 states have (on average 408.6470588235294) internal successors, (6947), 17 states have internal predecessors, (6947), 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) [2023-11-06 22:05:55,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:55,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 1031 [2023-11-06 22:05:55,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:56,524 INFO L124 PetriNetUnfolderBase]: 8190/11655 cut-off events. [2023-11-06 22:05:56,524 INFO L125 PetriNetUnfolderBase]: For 682/682 co-relation queries the response was YES. [2023-11-06 22:05:56,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24623 conditions, 11655 events. 8190/11655 cut-off events. For 682/682 co-relation queries the response was YES. Maximal size of possible extension queue 743. Compared 63714 event pairs, 7283 based on Foata normal form. 3/5168 useless extension candidates. Maximal degree in co-relation 24543. Up to 11641 conditions per place. [2023-11-06 22:05:56,706 INFO L140 encePairwiseOnDemand]: 1024/1031 looper letters, 43 selfloop transitions, 18 changer transitions 0/61 dead transitions. [2023-11-06 22:05:56,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 61 transitions, 340 flow [2023-11-06 22:05:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:05:56,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:05:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2912 transitions. [2023-11-06 22:05:56,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4034917555771096 [2023-11-06 22:05:56,722 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2912 transitions. [2023-11-06 22:05:56,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2912 transitions. [2023-11-06 22:05:56,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:56,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2912 transitions. [2023-11-06 22:05:56,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 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) [2023-11-06 22:05:56,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1031.0) internal successors, (8248), 8 states have internal predecessors, (8248), 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) [2023-11-06 22:05:56,754 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1031.0) internal successors, (8248), 8 states have internal predecessors, (8248), 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) [2023-11-06 22:05:56,754 INFO L175 Difference]: Start difference. First operand has 57 places, 58 transitions, 206 flow. Second operand 7 states and 2912 transitions. [2023-11-06 22:05:56,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 61 transitions, 340 flow [2023-11-06 22:05:56,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 61 transitions, 310 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:05:56,757 INFO L231 Difference]: Finished difference. Result has 59 places, 61 transitions, 238 flow [2023-11-06 22:05:56,758 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1031, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=238, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2023-11-06 22:05:56,760 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -3 predicate places. [2023-11-06 22:05:56,761 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 238 flow [2023-11-06 22:05:56,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 408.6470588235294) internal successors, (6947), 17 states have internal predecessors, (6947), 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) [2023-11-06 22:05:56,764 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:56,764 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:56,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:05:56,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:56,970 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-11-06 22:05:56,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:56,971 INFO L85 PathProgramCache]: Analyzing trace with hash 426978872, now seen corresponding path program 3 times [2023-11-06 22:05:56,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:56,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871757574] [2023-11-06 22:05:56,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:56,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-06 22:05:59,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:59,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871757574] [2023-11-06 22:05:59,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871757574] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:05:59,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450912300] [2023-11-06 22:05:59,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:05:59,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:59,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:59,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:05:59,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757f3d7-22d3-4a62-8bf3-158bc90a9bf7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:05:59,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 22:05:59,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:05:59,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-06 22:05:59,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:05:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:05:59,976 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-11-06 22:05:59,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:05:59,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,000 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:06:00,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,012 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-06 22:06:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,027 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-06 22:06:00,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,041 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:06:00,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,052 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-06 22:06:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,074 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:06:00,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,093 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-06 22:06:00,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,109 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-06 22:06:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,124 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:06:00,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,139 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-06 22:06:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,153 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:06:00,198 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:06:00,264 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-06 22:06:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:00,330 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-06 22:06:00,391 INFO L322 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2023-11-06 22:06:00,392 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2023-11-06 22:06:00,508 INFO L322 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2023-11-06 22:06:00,509 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2023-11-06 22:06:00,621 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-06 22:06:00,622 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-06 22:06:00,703 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:00,770 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:00,800 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:00,831 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:00,859 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:00,921 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-06 22:06:00,922 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-06 22:06:00,972 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:00,985 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:01,004 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:01,024 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:01,043 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:01,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:01,087 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-06 22:06:01,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:03,875 WARN L839 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_358 (Array Int Int)) (~o_2~0.offset Int) (~o_2~0.base Int)) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_358) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359))) (let ((.cse0 (select (select .cse1 ~o_2~0.base) ~o_2~0.offset))) (or (< 9223372039002259455 .cse0) (< (select (select .cse1 c_~o_0~0.base) c_~o_0~0.offset) (+ .cse0 2147483648)) (= .cse0 0) (< .cse0 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_358 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_358) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359))) (or (< (select (select .cse2 c_~o_0~0.base) c_~o_0~0.offset) 2147483648) (forall ((~o_2~0.offset Int) (~o_2~0.base Int)) (not (= (select (select .cse2 ~o_2~0.base) ~o_2~0.offset) 0))))))) is different from false [2023-11-06 22:06:30,363 INFO L322 Elim1Store]: treesize reduction 374, result has 36.5 percent of original size [2023-11-06 22:06:30,364 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 462 treesize of output 399 [2023-11-06 22:06:30,481 INFO L322 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2023-11-06 22:06:30,482 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3385 treesize of output 3311 [2023-11-06 22:06:30,816 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:30,817 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1644 treesize of output 1501 [2023-11-06 22:06:30,948 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:30,949 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1492 treesize of output 1425 [2023-11-06 22:06:31,080 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:31,081 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1416 treesize of output 1387 [2023-11-06 22:06:31,262 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:31,263 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 3447 treesize of output 3429 [2023-11-06 22:06:31,517 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:31,518 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1572 treesize of output 1577 [2023-11-06 22:06:31,723 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:31,727 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1568 treesize of output 1569 [2023-11-06 22:06:31,926 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:31,927 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1560 treesize of output 1553