./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:06:34,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:06:34,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:06:34,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:06:34,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:06:34,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:06:34,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:06:34,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:06:34,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:06:34,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:06:34,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:06:34,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:06:34,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:06:34,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:06:34,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:06:34,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:06:34,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:06:34,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:06:34,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:06:34,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:06:34,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:06:34,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:06:34,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:06:34,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:06:34,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:06:34,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:06:34,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:06:34,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:06:34,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:06:34,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:06:34,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:06:34,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:06:34,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:06:34,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:06:34,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:06:34,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:06:34,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:06:34,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:06:34,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:06:34,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:06:34,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:06:34,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:06:34,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:06:34,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:06:34,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:06:34,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:06:34,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:06:34,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:06:34,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:06:34,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:06:34,298 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:06:34,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:06:34,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:06:34,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:06:34,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:06:34,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:06:34,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:06:34,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:06:34,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:06:34,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:06:34,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:06:34,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:06:34,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:06:34,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:06:34,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:06:34,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:06:34,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:06:34,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:06:34,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:06:34,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:06:34,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:06:34,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:06:34,302 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:06:34,302 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:06:34,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:06:34,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:06:34,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 [2021-12-21 15:06:34,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:06:34,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:06:34,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:06:34,535 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:06:34,535 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:06:34,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2021-12-21 15:06:34,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0099231b4/5701d466ad0c49ba9ec044e6da22f8f3/FLAG7f45cb846 [2021-12-21 15:06:34,926 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:06:34,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2021-12-21 15:06:34,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0099231b4/5701d466ad0c49ba9ec044e6da22f8f3/FLAG7f45cb846 [2021-12-21 15:06:35,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0099231b4/5701d466ad0c49ba9ec044e6da22f8f3 [2021-12-21 15:06:35,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:06:35,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:06:35,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:06:35,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:06:35,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:06:35,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7283fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35, skipping insertion in model container [2021-12-21 15:06:35,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:06:35,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:06:35,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i[994,1007] [2021-12-21 15:06:35,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:06:35,689 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:06:35,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i[994,1007] [2021-12-21 15:06:35,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:06:35,802 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:06:35,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35 WrapperNode [2021-12-21 15:06:35,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:06:35,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:06:35,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:06:35,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:06:35,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,867 INFO L137 Inliner]: procedures = 177, calls = 88, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 225 [2021-12-21 15:06:35,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:06:35,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:06:35,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:06:35,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:06:35,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:06:35,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:06:35,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:06:35,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:06:35,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (1/1) ... [2021-12-21 15:06:35,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:06:35,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:06:35,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:06:35,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:06:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:06:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:06:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-21 15:06:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:06:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:06:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:06:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-21 15:06:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-21 15:06:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-21 15:06:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-21 15:06:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-21 15:06:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-21 15:06:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-21 15:06:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-21 15:06:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:06:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-21 15:06:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:06:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:06:36,025 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-21 15:06:36,128 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:06:36,129 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:06:36,771 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:06:37,264 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:06:37,265 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:06:37,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:06:37 BoogieIcfgContainer [2021-12-21 15:06:37,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:06:37,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:06:37,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:06:37,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:06:37,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:06:35" (1/3) ... [2021-12-21 15:06:37,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e3e94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:06:37, skipping insertion in model container [2021-12-21 15:06:37,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:06:35" (2/3) ... [2021-12-21 15:06:37,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e3e94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:06:37, skipping insertion in model container [2021-12-21 15:06:37,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:06:37" (3/3) ... [2021-12-21 15:06:37,272 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_power.opt.i [2021-12-21 15:06:37,275 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:06:37,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:06:37,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 15:06:37,275 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:06:37,317 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,317 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,318 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,318 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,318 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,318 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,318 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,318 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,318 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,319 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,319 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,319 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,319 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,319 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,319 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,319 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,320 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,320 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,320 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,320 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,320 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,320 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,320 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,320 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,321 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,321 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,321 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,321 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,321 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,321 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,321 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,321 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,323 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,323 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,323 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,323 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,323 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,323 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,323 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,324 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,324 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,324 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,324 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,329 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,329 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,329 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,329 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,329 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,329 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,329 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,330 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,330 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,330 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,330 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,330 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,330 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,330 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,330 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,331 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,331 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,331 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,331 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,331 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,333 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,333 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,333 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,333 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,337 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,337 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,337 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,337 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,337 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,337 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,339 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,339 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,339 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,340 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,340 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,340 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,340 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,341 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,341 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,345 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,345 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,345 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,345 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,345 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,345 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,345 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,345 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,347 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,347 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,347 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,347 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,347 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,347 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,347 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,347 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,361 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,361 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,361 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,362 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,362 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,362 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,362 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,362 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,366 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,366 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,366 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,366 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,366 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,366 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,366 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,366 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,367 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,367 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,367 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,367 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,367 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,367 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,367 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,367 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,368 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,368 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,368 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,368 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,368 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,368 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,368 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,368 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,369 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,369 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,369 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,369 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,369 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,369 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,369 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,370 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,370 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,370 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,370 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,370 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,370 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,370 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,370 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,371 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,371 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,371 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,371 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,371 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,371 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,371 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,371 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,372 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,372 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,372 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,372 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,372 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,372 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,372 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,372 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,372 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,373 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,373 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,373 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,373 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,373 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,373 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,373 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,373 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,374 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,374 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,374 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,374 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,374 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,374 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,374 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,374 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,374 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,375 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,384 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,384 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,384 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,384 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,385 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,385 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,385 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,385 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,385 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,385 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,385 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,385 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,386 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,386 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite89| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite90| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite91| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite92| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite89| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,392 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,392 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,392 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite90| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,392 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite91| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,392 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite92| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,393 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,393 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,393 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,393 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,393 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,394 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,394 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,394 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,394 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite97| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite99| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite95| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,411 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,412 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,412 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,412 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite97| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,412 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,412 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite99| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,412 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,412 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite95| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,412 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,413 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,413 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,413 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,413 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite89| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite91| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,419 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,419 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,419 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,419 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,419 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,419 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,419 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,420 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,420 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,420 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,420 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,420 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,420 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,420 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,420 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,421 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,421 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,421 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,421 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,421 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,421 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,421 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,421 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,422 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,422 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,422 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,422 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,422 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite92| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,422 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite90| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,422 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,422 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,423 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,423 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,423 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,423 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,423 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,423 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,424 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,434 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,434 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,434 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,434 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,435 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,435 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,435 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,435 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,435 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,435 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,435 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,436 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,436 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,436 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,436 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,436 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,436 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,436 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,436 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,437 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,437 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,437 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,437 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,437 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,437 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,437 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,437 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,438 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,438 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,438 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,438 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite97| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,439 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,439 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite95| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,439 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,439 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,439 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,439 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite99| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,439 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,439 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,440 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,440 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,440 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,440 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,440 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,442 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,442 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:06:37,442 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-21 15:06:37,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:06:37,510 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:06:37,511 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-21 15:06:37,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 152 transitions, 324 flow [2021-12-21 15:06:37,576 INFO L129 PetriNetUnfolder]: 2/148 cut-off events. [2021-12-21 15:06:37,577 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:06:37,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 148 events. 2/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-12-21 15:06:37,579 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 152 transitions, 324 flow [2021-12-21 15:06:37,582 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 148 transitions, 308 flow [2021-12-21 15:06:37,590 INFO L129 PetriNetUnfolder]: 0/81 cut-off events. [2021-12-21 15:06:37,591 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:06:37,591 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:37,591 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:37,592 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:37,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:37,595 INFO L85 PathProgramCache]: Analyzing trace with hash -397280163, now seen corresponding path program 1 times [2021-12-21 15:06:37,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:37,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297342367] [2021-12-21 15:06:37,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:37,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:37,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:37,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:37,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297342367] [2021-12-21 15:06:37,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297342367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:37,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:37,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 15:06:37,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957949736] [2021-12-21 15:06:37,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:37,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 15:06:37,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:37,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 15:06:37,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:06:37,832 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 152 [2021-12-21 15:06:37,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 148 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2021-12-21 15:06:37,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:37,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 152 [2021-12-21 15:06:37,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:38,193 INFO L129 PetriNetUnfolder]: 258/1462 cut-off events. [2021-12-21 15:06:38,193 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-12-21 15:06:38,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1462 events. 258/1462 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 11079 event pairs, 172 based on Foata normal form. 40/1403 useless extension candidates. Maximal degree in co-relation 1839. Up to 289 conditions per place. [2021-12-21 15:06:38,207 INFO L132 encePairwiseOnDemand]: 147/152 looper letters, 19 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2021-12-21 15:06:38,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 152 transitions, 364 flow [2021-12-21 15:06:38,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 15:06:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-21 15:06:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2021-12-21 15:06:38,222 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9451754385964912 [2021-12-21 15:06:38,222 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2021-12-21 15:06:38,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2021-12-21 15:06:38,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:38,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2021-12-21 15:06:38,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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) [2021-12-21 15:06:38,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2021-12-21 15:06:38,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2021-12-21 15:06:38,238 INFO L186 Difference]: Start difference. First operand has 159 places, 148 transitions, 308 flow. Second operand 3 states and 431 transitions. [2021-12-21 15:06:38,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 152 transitions, 364 flow [2021-12-21 15:06:38,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 152 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-21 15:06:38,243 INFO L242 Difference]: Finished difference. Result has 155 places, 144 transitions, 300 flow [2021-12-21 15:06:38,245 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=155, PETRI_TRANSITIONS=144} [2021-12-21 15:06:38,247 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, -4 predicate places. [2021-12-21 15:06:38,247 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 144 transitions, 300 flow [2021-12-21 15:06:38,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2021-12-21 15:06:38,248 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:38,248 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:38,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:06:38,249 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:38,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:38,249 INFO L85 PathProgramCache]: Analyzing trace with hash -331025959, now seen corresponding path program 1 times [2021-12-21 15:06:38,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:38,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757833065] [2021-12-21 15:06:38,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:38,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:38,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:38,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757833065] [2021-12-21 15:06:38,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757833065] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:38,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:38,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:06:38,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057573994] [2021-12-21 15:06:38,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:38,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:06:38,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:38,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:06:38,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:06:38,412 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 152 [2021-12-21 15:06:38,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 144 transitions, 300 flow. Second operand has 6 states, 6 states have (on average 128.0) internal successors, (768), 6 states have internal predecessors, (768), 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) [2021-12-21 15:06:38,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:38,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 152 [2021-12-21 15:06:38,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:39,706 INFO L129 PetriNetUnfolder]: 3393/8110 cut-off events. [2021-12-21 15:06:39,706 INFO L130 PetriNetUnfolder]: For 447/447 co-relation queries the response was YES. [2021-12-21 15:06:39,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13398 conditions, 8110 events. 3393/8110 cut-off events. For 447/447 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 70698 event pairs, 708 based on Foata normal form. 0/7880 useless extension candidates. Maximal degree in co-relation 13323. Up to 2642 conditions per place. [2021-12-21 15:06:39,741 INFO L132 encePairwiseOnDemand]: 145/152 looper letters, 27 selfloop transitions, 3 changer transitions 71/210 dead transitions. [2021-12-21 15:06:39,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 210 transitions, 624 flow [2021-12-21 15:06:39,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:06:39,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:06:39,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1224 transitions. [2021-12-21 15:06:39,744 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2021-12-21 15:06:39,744 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1224 transitions. [2021-12-21 15:06:39,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1224 transitions. [2021-12-21 15:06:39,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:39,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1224 transitions. [2021-12-21 15:06:39,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 136.0) internal successors, (1224), 9 states have internal predecessors, (1224), 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) [2021-12-21 15:06:39,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 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) [2021-12-21 15:06:39,750 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 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) [2021-12-21 15:06:39,750 INFO L186 Difference]: Start difference. First operand has 155 places, 144 transitions, 300 flow. Second operand 9 states and 1224 transitions. [2021-12-21 15:06:39,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 210 transitions, 624 flow [2021-12-21 15:06:39,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 210 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-21 15:06:39,753 INFO L242 Difference]: Finished difference. Result has 168 places, 132 transitions, 311 flow [2021-12-21 15:06:39,754 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=311, PETRI_PLACES=168, PETRI_TRANSITIONS=132} [2021-12-21 15:06:39,754 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 9 predicate places. [2021-12-21 15:06:39,754 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 132 transitions, 311 flow [2021-12-21 15:06:39,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 128.0) internal successors, (768), 6 states have internal predecessors, (768), 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) [2021-12-21 15:06:39,755 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:39,755 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:39,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:06:39,756 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:39,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:39,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1071559942, now seen corresponding path program 1 times [2021-12-21 15:06:39,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:39,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573760087] [2021-12-21 15:06:39,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:39,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:39,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:39,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573760087] [2021-12-21 15:06:39,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573760087] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:39,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:39,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:06:39,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989638745] [2021-12-21 15:06:39,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:39,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:06:39,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:39,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:06:39,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:06:39,881 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 152 [2021-12-21 15:06:39,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 132 transitions, 311 flow. Second operand has 7 states, 7 states have (on average 129.85714285714286) internal successors, (909), 7 states have internal predecessors, (909), 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) [2021-12-21 15:06:39,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:39,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 152 [2021-12-21 15:06:39,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:40,483 INFO L129 PetriNetUnfolder]: 1072/2211 cut-off events. [2021-12-21 15:06:40,484 INFO L130 PetriNetUnfolder]: For 1434/1446 co-relation queries the response was YES. [2021-12-21 15:06:40,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4885 conditions, 2211 events. 1072/2211 cut-off events. For 1434/1446 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 14021 event pairs, 314 based on Foata normal form. 48/2158 useless extension candidates. Maximal degree in co-relation 4802. Up to 831 conditions per place. [2021-12-21 15:06:40,498 INFO L132 encePairwiseOnDemand]: 145/152 looper letters, 22 selfloop transitions, 3 changer transitions 37/175 dead transitions. [2021-12-21 15:06:40,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 175 transitions, 541 flow [2021-12-21 15:06:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:06:40,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-21 15:06:40,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1344 transitions. [2021-12-21 15:06:40,501 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8842105263157894 [2021-12-21 15:06:40,501 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1344 transitions. [2021-12-21 15:06:40,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1344 transitions. [2021-12-21 15:06:40,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:40,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1344 transitions. [2021-12-21 15:06:40,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.4) internal successors, (1344), 10 states have internal predecessors, (1344), 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) [2021-12-21 15:06:40,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 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) [2021-12-21 15:06:40,507 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 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) [2021-12-21 15:06:40,507 INFO L186 Difference]: Start difference. First operand has 168 places, 132 transitions, 311 flow. Second operand 10 states and 1344 transitions. [2021-12-21 15:06:40,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 175 transitions, 541 flow [2021-12-21 15:06:40,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 175 transitions, 524 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-12-21 15:06:40,516 INFO L242 Difference]: Finished difference. Result has 160 places, 132 transitions, 324 flow [2021-12-21 15:06:40,516 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=324, PETRI_PLACES=160, PETRI_TRANSITIONS=132} [2021-12-21 15:06:40,516 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 1 predicate places. [2021-12-21 15:06:40,517 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 132 transitions, 324 flow [2021-12-21 15:06:40,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 129.85714285714286) internal successors, (909), 7 states have internal predecessors, (909), 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) [2021-12-21 15:06:40,517 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:40,518 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:40,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 15:06:40,518 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:40,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:40,518 INFO L85 PathProgramCache]: Analyzing trace with hash -165868536, now seen corresponding path program 1 times [2021-12-21 15:06:40,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:40,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873890327] [2021-12-21 15:06:40,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:40,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:40,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:40,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873890327] [2021-12-21 15:06:40,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873890327] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:40,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:40,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:06:40,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662894293] [2021-12-21 15:06:40,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:40,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:06:40,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:40,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:06:40,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:06:40,651 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 152 [2021-12-21 15:06:40,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 132 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 128.33333333333334) internal successors, (770), 6 states have internal predecessors, (770), 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) [2021-12-21 15:06:40,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:40,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 152 [2021-12-21 15:06:40,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:41,520 INFO L129 PetriNetUnfolder]: 2607/4750 cut-off events. [2021-12-21 15:06:41,521 INFO L130 PetriNetUnfolder]: For 4187/4223 co-relation queries the response was YES. [2021-12-21 15:06:41,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11311 conditions, 4750 events. 2607/4750 cut-off events. For 4187/4223 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 31304 event pairs, 963 based on Foata normal form. 90/4693 useless extension candidates. Maximal degree in co-relation 11223. Up to 1500 conditions per place. [2021-12-21 15:06:41,553 INFO L132 encePairwiseOnDemand]: 146/152 looper letters, 32 selfloop transitions, 3 changer transitions 46/190 dead transitions. [2021-12-21 15:06:41,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 190 transitions, 674 flow [2021-12-21 15:06:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:06:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:06:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1216 transitions. [2021-12-21 15:06:41,556 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-12-21 15:06:41,556 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1216 transitions. [2021-12-21 15:06:41,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1216 transitions. [2021-12-21 15:06:41,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:41,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1216 transitions. [2021-12-21 15:06:41,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 135.11111111111111) internal successors, (1216), 9 states have internal predecessors, (1216), 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) [2021-12-21 15:06:41,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 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) [2021-12-21 15:06:41,561 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 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) [2021-12-21 15:06:41,561 INFO L186 Difference]: Start difference. First operand has 160 places, 132 transitions, 324 flow. Second operand 9 states and 1216 transitions. [2021-12-21 15:06:41,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 190 transitions, 674 flow [2021-12-21 15:06:41,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 190 transitions, 620 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-12-21 15:06:41,588 INFO L242 Difference]: Finished difference. Result has 160 places, 132 transitions, 327 flow [2021-12-21 15:06:41,588 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=327, PETRI_PLACES=160, PETRI_TRANSITIONS=132} [2021-12-21 15:06:41,589 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 1 predicate places. [2021-12-21 15:06:41,589 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 132 transitions, 327 flow [2021-12-21 15:06:41,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 128.33333333333334) internal successors, (770), 6 states have internal predecessors, (770), 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) [2021-12-21 15:06:41,589 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:41,589 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:41,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 15:06:41,590 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:41,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:41,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1185106057, now seen corresponding path program 1 times [2021-12-21 15:06:41,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:41,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720699492] [2021-12-21 15:06:41,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:41,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:41,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:41,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720699492] [2021-12-21 15:06:41,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720699492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:41,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:41,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:06:41,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18230827] [2021-12-21 15:06:41,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:41,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:06:41,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:41,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:06:41,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:06:41,721 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 152 [2021-12-21 15:06:41,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 132 transitions, 327 flow. Second operand has 6 states, 6 states have (on average 130.16666666666666) internal successors, (781), 6 states have internal predecessors, (781), 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) [2021-12-21 15:06:41,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:41,722 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 152 [2021-12-21 15:06:41,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:42,296 INFO L129 PetriNetUnfolder]: 1620/3360 cut-off events. [2021-12-21 15:06:42,296 INFO L130 PetriNetUnfolder]: For 3894/3900 co-relation queries the response was YES. [2021-12-21 15:06:42,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7811 conditions, 3360 events. 1620/3360 cut-off events. For 3894/3900 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 23588 event pairs, 936 based on Foata normal form. 90/3246 useless extension candidates. Maximal degree in co-relation 7724. Up to 1251 conditions per place. [2021-12-21 15:06:42,317 INFO L132 encePairwiseOnDemand]: 146/152 looper letters, 26 selfloop transitions, 2 changer transitions 37/178 dead transitions. [2021-12-21 15:06:42,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 178 transitions, 586 flow [2021-12-21 15:06:42,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:06:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:06:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1219 transitions. [2021-12-21 15:06:42,321 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8910818713450293 [2021-12-21 15:06:42,321 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1219 transitions. [2021-12-21 15:06:42,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1219 transitions. [2021-12-21 15:06:42,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:42,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1219 transitions. [2021-12-21 15:06:42,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 135.44444444444446) internal successors, (1219), 9 states have internal predecessors, (1219), 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) [2021-12-21 15:06:42,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 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) [2021-12-21 15:06:42,325 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 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) [2021-12-21 15:06:42,325 INFO L186 Difference]: Start difference. First operand has 160 places, 132 transitions, 327 flow. Second operand 9 states and 1219 transitions. [2021-12-21 15:06:42,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 178 transitions, 586 flow [2021-12-21 15:06:42,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 178 transitions, 549 flow, removed 17 selfloop flow, removed 7 redundant places. [2021-12-21 15:06:42,343 INFO L242 Difference]: Finished difference. Result has 162 places, 132 transitions, 326 flow [2021-12-21 15:06:42,344 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=326, PETRI_PLACES=162, PETRI_TRANSITIONS=132} [2021-12-21 15:06:42,344 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 3 predicate places. [2021-12-21 15:06:42,344 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 132 transitions, 326 flow [2021-12-21 15:06:42,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 130.16666666666666) internal successors, (781), 6 states have internal predecessors, (781), 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) [2021-12-21 15:06:42,345 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:42,345 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:42,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 15:06:42,345 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:42,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:42,346 INFO L85 PathProgramCache]: Analyzing trace with hash 638703164, now seen corresponding path program 1 times [2021-12-21 15:06:42,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:42,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349919177] [2021-12-21 15:06:42,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:42,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:42,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:42,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:42,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349919177] [2021-12-21 15:06:42,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349919177] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:42,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:42,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:06:42,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472192352] [2021-12-21 15:06:42,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:42,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:06:42,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:42,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:06:42,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:06:42,471 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 152 [2021-12-21 15:06:42,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 132 transitions, 326 flow. Second operand has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 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) [2021-12-21 15:06:42,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:42,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 152 [2021-12-21 15:06:42,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:43,194 INFO L129 PetriNetUnfolder]: 2220/4354 cut-off events. [2021-12-21 15:06:43,194 INFO L130 PetriNetUnfolder]: For 4167/4215 co-relation queries the response was YES. [2021-12-21 15:06:43,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10262 conditions, 4354 events. 2220/4354 cut-off events. For 4167/4215 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 30793 event pairs, 414 based on Foata normal form. 60/4207 useless extension candidates. Maximal degree in co-relation 10172. Up to 1563 conditions per place. [2021-12-21 15:06:43,216 INFO L132 encePairwiseOnDemand]: 143/152 looper letters, 32 selfloop transitions, 5 changer transitions 26/171 dead transitions. [2021-12-21 15:06:43,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 171 transitions, 601 flow [2021-12-21 15:06:43,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:06:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-21 15:06:43,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 939 transitions. [2021-12-21 15:06:43,219 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8825187969924813 [2021-12-21 15:06:43,219 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 939 transitions. [2021-12-21 15:06:43,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 939 transitions. [2021-12-21 15:06:43,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:43,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 939 transitions. [2021-12-21 15:06:43,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 134.14285714285714) internal successors, (939), 7 states have internal predecessors, (939), 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) [2021-12-21 15:06:43,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 152.0) internal successors, (1216), 8 states have internal predecessors, (1216), 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) [2021-12-21 15:06:43,223 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 152.0) internal successors, (1216), 8 states have internal predecessors, (1216), 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) [2021-12-21 15:06:43,223 INFO L186 Difference]: Start difference. First operand has 162 places, 132 transitions, 326 flow. Second operand 7 states and 939 transitions. [2021-12-21 15:06:43,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 171 transitions, 601 flow [2021-12-21 15:06:43,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 171 transitions, 575 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-12-21 15:06:43,240 INFO L242 Difference]: Finished difference. Result has 158 places, 132 transitions, 333 flow [2021-12-21 15:06:43,240 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=333, PETRI_PLACES=158, PETRI_TRANSITIONS=132} [2021-12-21 15:06:43,241 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, -1 predicate places. [2021-12-21 15:06:43,241 INFO L470 AbstractCegarLoop]: Abstraction has has 158 places, 132 transitions, 333 flow [2021-12-21 15:06:43,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 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) [2021-12-21 15:06:43,242 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:43,242 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:43,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 15:06:43,242 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:43,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:43,243 INFO L85 PathProgramCache]: Analyzing trace with hash -307247946, now seen corresponding path program 2 times [2021-12-21 15:06:43,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:43,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309114512] [2021-12-21 15:06:43,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:43,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:43,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:43,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309114512] [2021-12-21 15:06:43,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309114512] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:43,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:43,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:06:43,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813686217] [2021-12-21 15:06:43,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:43,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:06:43,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:43,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:06:43,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:06:43,427 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2021-12-21 15:06:43,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 132 transitions, 333 flow. Second operand has 6 states, 6 states have (on average 126.33333333333333) internal successors, (758), 6 states have internal predecessors, (758), 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) [2021-12-21 15:06:43,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:43,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2021-12-21 15:06:43,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:45,118 INFO L129 PetriNetUnfolder]: 7660/13043 cut-off events. [2021-12-21 15:06:45,119 INFO L130 PetriNetUnfolder]: For 2562/2602 co-relation queries the response was YES. [2021-12-21 15:06:45,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26178 conditions, 13043 events. 7660/13043 cut-off events. For 2562/2602 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 98212 event pairs, 358 based on Foata normal form. 0/12678 useless extension candidates. Maximal degree in co-relation 26089. Up to 4663 conditions per place. [2021-12-21 15:06:45,176 INFO L132 encePairwiseOnDemand]: 141/152 looper letters, 38 selfloop transitions, 7 changer transitions 60/213 dead transitions. [2021-12-21 15:06:45,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 213 transitions, 716 flow [2021-12-21 15:06:45,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:06:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-21 15:06:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1347 transitions. [2021-12-21 15:06:45,180 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8861842105263158 [2021-12-21 15:06:45,180 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1347 transitions. [2021-12-21 15:06:45,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1347 transitions. [2021-12-21 15:06:45,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:45,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1347 transitions. [2021-12-21 15:06:45,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.7) internal successors, (1347), 10 states have internal predecessors, (1347), 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) [2021-12-21 15:06:45,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 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) [2021-12-21 15:06:45,190 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 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) [2021-12-21 15:06:45,190 INFO L186 Difference]: Start difference. First operand has 158 places, 132 transitions, 333 flow. Second operand 10 states and 1347 transitions. [2021-12-21 15:06:45,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 213 transitions, 716 flow [2021-12-21 15:06:45,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 213 transitions, 698 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-12-21 15:06:45,205 INFO L242 Difference]: Finished difference. Result has 164 places, 135 transitions, 381 flow [2021-12-21 15:06:45,205 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=381, PETRI_PLACES=164, PETRI_TRANSITIONS=135} [2021-12-21 15:06:45,206 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 5 predicate places. [2021-12-21 15:06:45,206 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 135 transitions, 381 flow [2021-12-21 15:06:45,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 126.33333333333333) internal successors, (758), 6 states have internal predecessors, (758), 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) [2021-12-21 15:06:45,207 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:45,207 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:45,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 15:06:45,208 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:45,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:45,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1143330405, now seen corresponding path program 1 times [2021-12-21 15:06:45,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:45,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826952278] [2021-12-21 15:06:45,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:45,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:45,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:45,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826952278] [2021-12-21 15:06:45,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826952278] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:45,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:45,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-21 15:06:45,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883562687] [2021-12-21 15:06:45,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:45,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 15:06:45,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:45,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 15:06:45,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:06:45,685 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 152 [2021-12-21 15:06:45,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 135 transitions, 381 flow. Second operand has 15 states, 15 states have (on average 114.06666666666666) internal successors, (1711), 15 states have internal predecessors, (1711), 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) [2021-12-21 15:06:45,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:45,687 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 152 [2021-12-21 15:06:45,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:47,004 INFO L129 PetriNetUnfolder]: 2396/5714 cut-off events. [2021-12-21 15:06:47,005 INFO L130 PetriNetUnfolder]: For 4768/5085 co-relation queries the response was YES. [2021-12-21 15:06:47,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14061 conditions, 5714 events. 2396/5714 cut-off events. For 4768/5085 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 50324 event pairs, 867 based on Foata normal form. 42/5376 useless extension candidates. Maximal degree in co-relation 13956. Up to 1941 conditions per place. [2021-12-21 15:06:47,070 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 71 selfloop transitions, 36 changer transitions 0/207 dead transitions. [2021-12-21 15:06:47,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 207 transitions, 803 flow [2021-12-21 15:06:47,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-21 15:06:47,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-21 15:06:47,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2462 transitions. [2021-12-21 15:06:47,074 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7713032581453634 [2021-12-21 15:06:47,074 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2462 transitions. [2021-12-21 15:06:47,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2462 transitions. [2021-12-21 15:06:47,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:47,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2462 transitions. [2021-12-21 15:06:47,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 117.23809523809524) internal successors, (2462), 21 states have internal predecessors, (2462), 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) [2021-12-21 15:06:47,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 152.0) internal successors, (3344), 22 states have internal predecessors, (3344), 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) [2021-12-21 15:06:47,084 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 152.0) internal successors, (3344), 22 states have internal predecessors, (3344), 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) [2021-12-21 15:06:47,084 INFO L186 Difference]: Start difference. First operand has 164 places, 135 transitions, 381 flow. Second operand 21 states and 2462 transitions. [2021-12-21 15:06:47,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 207 transitions, 803 flow [2021-12-21 15:06:47,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 207 transitions, 788 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-12-21 15:06:47,097 INFO L242 Difference]: Finished difference. Result has 186 places, 163 transitions, 629 flow [2021-12-21 15:06:47,097 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=629, PETRI_PLACES=186, PETRI_TRANSITIONS=163} [2021-12-21 15:06:47,100 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 27 predicate places. [2021-12-21 15:06:47,100 INFO L470 AbstractCegarLoop]: Abstraction has has 186 places, 163 transitions, 629 flow [2021-12-21 15:06:47,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 114.06666666666666) internal successors, (1711), 15 states have internal predecessors, (1711), 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) [2021-12-21 15:06:47,101 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:47,101 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:47,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 15:06:47,101 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:47,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:47,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1833213049, now seen corresponding path program 2 times [2021-12-21 15:06:47,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:47,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510862125] [2021-12-21 15:06:47,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:47,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:47,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:47,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510862125] [2021-12-21 15:06:47,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510862125] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:47,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:47,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-21 15:06:47,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861805171] [2021-12-21 15:06:47,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:47,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-21 15:06:47,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:47,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-21 15:06:47,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-12-21 15:06:47,392 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 152 [2021-12-21 15:06:47,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 163 transitions, 629 flow. Second operand has 13 states, 13 states have (on average 115.3076923076923) internal successors, (1499), 13 states have internal predecessors, (1499), 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) [2021-12-21 15:06:47,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:47,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 152 [2021-12-21 15:06:47,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:49,117 INFO L129 PetriNetUnfolder]: 3050/7468 cut-off events. [2021-12-21 15:06:49,117 INFO L130 PetriNetUnfolder]: For 22062/22476 co-relation queries the response was YES. [2021-12-21 15:06:49,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26468 conditions, 7468 events. 3050/7468 cut-off events. For 22062/22476 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 70467 event pairs, 1520 based on Foata normal form. 78/7114 useless extension candidates. Maximal degree in co-relation 26348. Up to 2101 conditions per place. [2021-12-21 15:06:49,191 INFO L132 encePairwiseOnDemand]: 135/152 looper letters, 106 selfloop transitions, 66 changer transitions 3/276 dead transitions. [2021-12-21 15:06:49,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 276 transitions, 1854 flow [2021-12-21 15:06:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-21 15:06:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-12-21 15:06:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 3084 transitions. [2021-12-21 15:06:49,197 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7803643724696356 [2021-12-21 15:06:49,197 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 3084 transitions. [2021-12-21 15:06:49,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 3084 transitions. [2021-12-21 15:06:49,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:49,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 3084 transitions. [2021-12-21 15:06:49,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 118.61538461538461) internal successors, (3084), 26 states have internal predecessors, (3084), 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) [2021-12-21 15:06:49,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 152.0) internal successors, (4104), 27 states have internal predecessors, (4104), 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) [2021-12-21 15:06:49,210 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 152.0) internal successors, (4104), 27 states have internal predecessors, (4104), 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) [2021-12-21 15:06:49,210 INFO L186 Difference]: Start difference. First operand has 186 places, 163 transitions, 629 flow. Second operand 26 states and 3084 transitions. [2021-12-21 15:06:49,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 276 transitions, 1854 flow [2021-12-21 15:06:49,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 276 transitions, 1812 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-12-21 15:06:49,248 INFO L242 Difference]: Finished difference. Result has 224 places, 214 transitions, 1319 flow [2021-12-21 15:06:49,248 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1319, PETRI_PLACES=224, PETRI_TRANSITIONS=214} [2021-12-21 15:06:49,249 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 65 predicate places. [2021-12-21 15:06:49,249 INFO L470 AbstractCegarLoop]: Abstraction has has 224 places, 214 transitions, 1319 flow [2021-12-21 15:06:49,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 115.3076923076923) internal successors, (1499), 13 states have internal predecessors, (1499), 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) [2021-12-21 15:06:49,250 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:49,250 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:49,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 15:06:49,251 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:49,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:49,251 INFO L85 PathProgramCache]: Analyzing trace with hash -543311883, now seen corresponding path program 3 times [2021-12-21 15:06:49,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:49,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126198895] [2021-12-21 15:06:49,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:49,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:49,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:49,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:49,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126198895] [2021-12-21 15:06:49,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126198895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:49,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:49,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-12-21 15:06:49,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540239881] [2021-12-21 15:06:49,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:49,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-21 15:06:49,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:49,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-21 15:06:49,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-12-21 15:06:49,847 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 152 [2021-12-21 15:06:49,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 214 transitions, 1319 flow. Second operand has 20 states, 20 states have (on average 97.95) internal successors, (1959), 20 states have internal predecessors, (1959), 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) [2021-12-21 15:06:49,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:49,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 152 [2021-12-21 15:06:49,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:52,481 INFO L129 PetriNetUnfolder]: 3347/8251 cut-off events. [2021-12-21 15:06:52,481 INFO L130 PetriNetUnfolder]: For 90475/92021 co-relation queries the response was YES. [2021-12-21 15:06:52,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41965 conditions, 8251 events. 3347/8251 cut-off events. For 90475/92021 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 79242 event pairs, 1879 based on Foata normal form. 39/7807 useless extension candidates. Maximal degree in co-relation 41820. Up to 3611 conditions per place. [2021-12-21 15:06:52,567 INFO L132 encePairwiseOnDemand]: 130/152 looper letters, 127 selfloop transitions, 55 changer transitions 31/305 dead transitions. [2021-12-21 15:06:52,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 305 transitions, 2907 flow [2021-12-21 15:06:52,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-21 15:06:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-12-21 15:06:52,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 2723 transitions. [2021-12-21 15:06:52,573 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6634990253411306 [2021-12-21 15:06:52,573 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 2723 transitions. [2021-12-21 15:06:52,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 2723 transitions. [2021-12-21 15:06:52,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:52,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 2723 transitions. [2021-12-21 15:06:52,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 100.85185185185185) internal successors, (2723), 27 states have internal predecessors, (2723), 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) [2021-12-21 15:06:52,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 152.0) internal successors, (4256), 28 states have internal predecessors, (4256), 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) [2021-12-21 15:06:52,583 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 152.0) internal successors, (4256), 28 states have internal predecessors, (4256), 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) [2021-12-21 15:06:52,583 INFO L186 Difference]: Start difference. First operand has 224 places, 214 transitions, 1319 flow. Second operand 27 states and 2723 transitions. [2021-12-21 15:06:52,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 305 transitions, 2907 flow [2021-12-21 15:06:52,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 305 transitions, 2682 flow, removed 90 selfloop flow, removed 5 redundant places. [2021-12-21 15:06:52,753 INFO L242 Difference]: Finished difference. Result has 258 places, 259 transitions, 1843 flow [2021-12-21 15:06:52,753 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1130, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1843, PETRI_PLACES=258, PETRI_TRANSITIONS=259} [2021-12-21 15:06:52,753 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 99 predicate places. [2021-12-21 15:06:52,754 INFO L470 AbstractCegarLoop]: Abstraction has has 258 places, 259 transitions, 1843 flow [2021-12-21 15:06:52,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 97.95) internal successors, (1959), 20 states have internal predecessors, (1959), 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) [2021-12-21 15:06:52,754 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:52,754 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:52,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 15:06:52,755 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:52,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:52,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1683135465, now seen corresponding path program 1 times [2021-12-21 15:06:52,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:52,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177027911] [2021-12-21 15:06:52,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:52,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:52,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:52,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177027911] [2021-12-21 15:06:52,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177027911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:52,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:52,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:06:52,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018715735] [2021-12-21 15:06:52,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:52,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:06:52,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:52,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:06:52,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:06:52,853 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2021-12-21 15:06:52,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 259 transitions, 1843 flow. Second operand has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 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) [2021-12-21 15:06:52,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:52,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2021-12-21 15:06:52,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:54,937 INFO L129 PetriNetUnfolder]: 5673/10676 cut-off events. [2021-12-21 15:06:54,937 INFO L130 PetriNetUnfolder]: For 139668/140114 co-relation queries the response was YES. [2021-12-21 15:06:54,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56258 conditions, 10676 events. 5673/10676 cut-off events. For 139668/140114 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 84026 event pairs, 231 based on Foata normal form. 314/10873 useless extension candidates. Maximal degree in co-relation 56115. Up to 2880 conditions per place. [2021-12-21 15:06:55,027 INFO L132 encePairwiseOnDemand]: 142/152 looper letters, 155 selfloop transitions, 11 changer transitions 169/459 dead transitions. [2021-12-21 15:06:55,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 459 transitions, 4881 flow [2021-12-21 15:06:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:06:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-21 15:06:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1345 transitions. [2021-12-21 15:06:55,030 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8848684210526315 [2021-12-21 15:06:55,030 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1345 transitions. [2021-12-21 15:06:55,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1345 transitions. [2021-12-21 15:06:55,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:55,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1345 transitions. [2021-12-21 15:06:55,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.5) internal successors, (1345), 10 states have internal predecessors, (1345), 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) [2021-12-21 15:06:55,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 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) [2021-12-21 15:06:55,033 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 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) [2021-12-21 15:06:55,034 INFO L186 Difference]: Start difference. First operand has 258 places, 259 transitions, 1843 flow. Second operand 10 states and 1345 transitions. [2021-12-21 15:06:55,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 459 transitions, 4881 flow [2021-12-21 15:06:55,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 459 transitions, 3693 flow, removed 575 selfloop flow, removed 24 redundant places. [2021-12-21 15:06:55,195 INFO L242 Difference]: Finished difference. Result has 234 places, 209 transitions, 1115 flow [2021-12-21 15:06:55,195 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1254, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1115, PETRI_PLACES=234, PETRI_TRANSITIONS=209} [2021-12-21 15:06:55,196 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 75 predicate places. [2021-12-21 15:06:55,196 INFO L470 AbstractCegarLoop]: Abstraction has has 234 places, 209 transitions, 1115 flow [2021-12-21 15:06:55,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 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) [2021-12-21 15:06:55,197 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:55,197 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:55,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 15:06:55,197 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:55,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:55,198 INFO L85 PathProgramCache]: Analyzing trace with hash 45302874, now seen corresponding path program 1 times [2021-12-21 15:06:55,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:55,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620190666] [2021-12-21 15:06:55,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:55,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:55,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:55,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620190666] [2021-12-21 15:06:55,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620190666] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:55,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:55,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-12-21 15:06:55,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502802892] [2021-12-21 15:06:55,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:55,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-21 15:06:55,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:55,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-21 15:06:55,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-12-21 15:06:55,957 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 152 [2021-12-21 15:06:55,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 209 transitions, 1115 flow. Second operand has 23 states, 23 states have (on average 95.82608695652173) internal successors, (2204), 23 states have internal predecessors, (2204), 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) [2021-12-21 15:06:55,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:55,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 152 [2021-12-21 15:06:55,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:06:57,600 INFO L129 PetriNetUnfolder]: 1244/3811 cut-off events. [2021-12-21 15:06:57,600 INFO L130 PetriNetUnfolder]: For 24758/25505 co-relation queries the response was YES. [2021-12-21 15:06:57,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17128 conditions, 3811 events. 1244/3811 cut-off events. For 24758/25505 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 33128 event pairs, 504 based on Foata normal form. 97/3785 useless extension candidates. Maximal degree in co-relation 16979. Up to 1315 conditions per place. [2021-12-21 15:06:57,646 INFO L132 encePairwiseOnDemand]: 129/152 looper letters, 85 selfloop transitions, 93 changer transitions 25/297 dead transitions. [2021-12-21 15:06:57,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 297 transitions, 2365 flow [2021-12-21 15:06:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-21 15:06:57,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-12-21 15:06:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 3047 transitions. [2021-12-21 15:06:57,650 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6466468590831919 [2021-12-21 15:06:57,650 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 3047 transitions. [2021-12-21 15:06:57,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 3047 transitions. [2021-12-21 15:06:57,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:06:57,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 3047 transitions. [2021-12-21 15:06:57,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 98.29032258064517) internal successors, (3047), 31 states have internal predecessors, (3047), 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) [2021-12-21 15:06:57,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 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) [2021-12-21 15:06:57,659 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 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) [2021-12-21 15:06:57,659 INFO L186 Difference]: Start difference. First operand has 234 places, 209 transitions, 1115 flow. Second operand 31 states and 3047 transitions. [2021-12-21 15:06:57,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 297 transitions, 2365 flow [2021-12-21 15:06:57,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 297 transitions, 2216 flow, removed 65 selfloop flow, removed 21 redundant places. [2021-12-21 15:06:57,724 INFO L242 Difference]: Finished difference. Result has 232 places, 255 transitions, 1654 flow [2021-12-21 15:06:57,725 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=1654, PETRI_PLACES=232, PETRI_TRANSITIONS=255} [2021-12-21 15:06:57,726 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 73 predicate places. [2021-12-21 15:06:57,726 INFO L470 AbstractCegarLoop]: Abstraction has has 232 places, 255 transitions, 1654 flow [2021-12-21 15:06:57,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 95.82608695652173) internal successors, (2204), 23 states have internal predecessors, (2204), 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) [2021-12-21 15:06:57,727 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:06:57,727 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:06:57,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 15:06:57,727 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:06:57,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:06:57,727 INFO L85 PathProgramCache]: Analyzing trace with hash -941368972, now seen corresponding path program 2 times [2021-12-21 15:06:57,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:06:57,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579119998] [2021-12-21 15:06:57,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:06:57,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:06:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:06:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:06:58,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:06:58,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579119998] [2021-12-21 15:06:58,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579119998] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:06:58,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:06:58,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-12-21 15:06:58,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871256608] [2021-12-21 15:06:58,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:06:58,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-21 15:06:58,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:06:58,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-21 15:06:58,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-12-21 15:06:58,422 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 152 [2021-12-21 15:06:58,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 255 transitions, 1654 flow. Second operand has 23 states, 23 states have (on average 96.78260869565217) internal successors, (2226), 23 states have internal predecessors, (2226), 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) [2021-12-21 15:06:58,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:06:58,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 152 [2021-12-21 15:06:58,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:00,062 INFO L129 PetriNetUnfolder]: 1308/4033 cut-off events. [2021-12-21 15:07:00,062 INFO L130 PetriNetUnfolder]: For 23372/23903 co-relation queries the response was YES. [2021-12-21 15:07:00,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16466 conditions, 4033 events. 1308/4033 cut-off events. For 23372/23903 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 35690 event pairs, 503 based on Foata normal form. 106/4015 useless extension candidates. Maximal degree in co-relation 16319. Up to 1349 conditions per place. [2021-12-21 15:07:00,098 INFO L132 encePairwiseOnDemand]: 129/152 looper letters, 85 selfloop transitions, 105 changer transitions 25/310 dead transitions. [2021-12-21 15:07:00,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 310 transitions, 2799 flow [2021-12-21 15:07:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-21 15:07:00,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-12-21 15:07:00,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 2880 transitions. [2021-12-21 15:07:00,102 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6533575317604355 [2021-12-21 15:07:00,102 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 2880 transitions. [2021-12-21 15:07:00,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 2880 transitions. [2021-12-21 15:07:00,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:00,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 2880 transitions. [2021-12-21 15:07:00,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 99.3103448275862) internal successors, (2880), 29 states have internal predecessors, (2880), 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) [2021-12-21 15:07:00,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 152.0) internal successors, (4560), 30 states have internal predecessors, (4560), 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) [2021-12-21 15:07:00,109 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 152.0) internal successors, (4560), 30 states have internal predecessors, (4560), 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) [2021-12-21 15:07:00,110 INFO L186 Difference]: Start difference. First operand has 232 places, 255 transitions, 1654 flow. Second operand 29 states and 2880 transitions. [2021-12-21 15:07:00,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 310 transitions, 2799 flow [2021-12-21 15:07:00,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 310 transitions, 2653 flow, removed 54 selfloop flow, removed 20 redundant places. [2021-12-21 15:07:00,143 INFO L242 Difference]: Finished difference. Result has 243 places, 272 transitions, 2167 flow [2021-12-21 15:07:00,144 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1558, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=2167, PETRI_PLACES=243, PETRI_TRANSITIONS=272} [2021-12-21 15:07:00,144 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 84 predicate places. [2021-12-21 15:07:00,144 INFO L470 AbstractCegarLoop]: Abstraction has has 243 places, 272 transitions, 2167 flow [2021-12-21 15:07:00,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 96.78260869565217) internal successors, (2226), 23 states have internal predecessors, (2226), 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) [2021-12-21 15:07:00,145 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:00,145 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:00,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 15:07:00,145 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:00,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:00,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1725138734, now seen corresponding path program 3 times [2021-12-21 15:07:00,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:00,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186150208] [2021-12-21 15:07:00,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:00,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:00,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:00,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186150208] [2021-12-21 15:07:00,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186150208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:00,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:00,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-21 15:07:00,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818826222] [2021-12-21 15:07:00,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:00,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-21 15:07:00,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:00,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-21 15:07:00,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-12-21 15:07:00,399 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 152 [2021-12-21 15:07:00,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 272 transitions, 2167 flow. Second operand has 13 states, 13 states have (on average 117.23076923076923) internal successors, (1524), 13 states have internal predecessors, (1524), 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) [2021-12-21 15:07:00,400 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:00,400 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 152 [2021-12-21 15:07:00,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:01,350 INFO L129 PetriNetUnfolder]: 1268/3859 cut-off events. [2021-12-21 15:07:01,351 INFO L130 PetriNetUnfolder]: For 27102/27593 co-relation queries the response was YES. [2021-12-21 15:07:01,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16628 conditions, 3859 events. 1268/3859 cut-off events. For 27102/27593 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 33632 event pairs, 493 based on Foata normal form. 142/3884 useless extension candidates. Maximal degree in co-relation 16488. Up to 1137 conditions per place. [2021-12-21 15:07:01,388 INFO L132 encePairwiseOnDemand]: 137/152 looper letters, 139 selfloop transitions, 63 changer transitions 35/350 dead transitions. [2021-12-21 15:07:01,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 350 transitions, 3659 flow [2021-12-21 15:07:01,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-21 15:07:01,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-21 15:07:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2519 transitions. [2021-12-21 15:07:01,391 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7891604010025063 [2021-12-21 15:07:01,391 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2519 transitions. [2021-12-21 15:07:01,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2519 transitions. [2021-12-21 15:07:01,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:01,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2519 transitions. [2021-12-21 15:07:01,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 119.95238095238095) internal successors, (2519), 21 states have internal predecessors, (2519), 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) [2021-12-21 15:07:01,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 152.0) internal successors, (3344), 22 states have internal predecessors, (3344), 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) [2021-12-21 15:07:01,397 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 152.0) internal successors, (3344), 22 states have internal predecessors, (3344), 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) [2021-12-21 15:07:01,397 INFO L186 Difference]: Start difference. First operand has 243 places, 272 transitions, 2167 flow. Second operand 21 states and 2519 transitions. [2021-12-21 15:07:01,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 350 transitions, 3659 flow [2021-12-21 15:07:01,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 350 transitions, 3377 flow, removed 105 selfloop flow, removed 24 redundant places. [2021-12-21 15:07:01,441 INFO L242 Difference]: Finished difference. Result has 248 places, 283 transitions, 2362 flow [2021-12-21 15:07:01,442 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1989, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2362, PETRI_PLACES=248, PETRI_TRANSITIONS=283} [2021-12-21 15:07:01,442 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 89 predicate places. [2021-12-21 15:07:01,442 INFO L470 AbstractCegarLoop]: Abstraction has has 248 places, 283 transitions, 2362 flow [2021-12-21 15:07:01,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 117.23076923076923) internal successors, (1524), 13 states have internal predecessors, (1524), 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) [2021-12-21 15:07:01,443 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:01,443 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:01,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 15:07:01,443 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:01,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:01,444 INFO L85 PathProgramCache]: Analyzing trace with hash 787477208, now seen corresponding path program 1 times [2021-12-21 15:07:01,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:01,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437572173] [2021-12-21 15:07:01,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:01,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:01,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:01,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437572173] [2021-12-21 15:07:01,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437572173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:01,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:01,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:07:01,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256689477] [2021-12-21 15:07:01,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:01,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:07:01,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:01,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:07:01,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:07:01,557 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 152 [2021-12-21 15:07:01,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 283 transitions, 2362 flow. Second operand has 7 states, 7 states have (on average 127.71428571428571) internal successors, (894), 7 states have internal predecessors, (894), 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) [2021-12-21 15:07:01,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:01,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 152 [2021-12-21 15:07:01,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:02,908 INFO L129 PetriNetUnfolder]: 2482/6862 cut-off events. [2021-12-21 15:07:02,908 INFO L130 PetriNetUnfolder]: For 60851/61759 co-relation queries the response was YES. [2021-12-21 15:07:02,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32104 conditions, 6862 events. 2482/6862 cut-off events. For 60851/61759 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 65446 event pairs, 449 based on Foata normal form. 168/6810 useless extension candidates. Maximal degree in co-relation 31970. Up to 1400 conditions per place. [2021-12-21 15:07:02,986 INFO L132 encePairwiseOnDemand]: 145/152 looper letters, 387 selfloop transitions, 11 changer transitions 3/539 dead transitions. [2021-12-21 15:07:02,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 539 transitions, 6552 flow [2021-12-21 15:07:02,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:07:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-21 15:07:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1069 transitions. [2021-12-21 15:07:02,988 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8791118421052632 [2021-12-21 15:07:02,988 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1069 transitions. [2021-12-21 15:07:02,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1069 transitions. [2021-12-21 15:07:02,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:02,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1069 transitions. [2021-12-21 15:07:02,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 133.625) internal successors, (1069), 8 states have internal predecessors, (1069), 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) [2021-12-21 15:07:02,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 152.0) internal successors, (1368), 9 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) [2021-12-21 15:07:02,991 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 152.0) internal successors, (1368), 9 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) [2021-12-21 15:07:02,991 INFO L186 Difference]: Start difference. First operand has 248 places, 283 transitions, 2362 flow. Second operand 8 states and 1069 transitions. [2021-12-21 15:07:02,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 539 transitions, 6552 flow [2021-12-21 15:07:03,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 539 transitions, 6233 flow, removed 157 selfloop flow, removed 15 redundant places. [2021-12-21 15:07:03,078 INFO L242 Difference]: Finished difference. Result has 233 places, 288 transitions, 2370 flow [2021-12-21 15:07:03,078 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=2269, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2370, PETRI_PLACES=233, PETRI_TRANSITIONS=288} [2021-12-21 15:07:03,079 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 74 predicate places. [2021-12-21 15:07:03,079 INFO L470 AbstractCegarLoop]: Abstraction has has 233 places, 288 transitions, 2370 flow [2021-12-21 15:07:03,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.71428571428571) internal successors, (894), 7 states have internal predecessors, (894), 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) [2021-12-21 15:07:03,079 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:03,079 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:03,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 15:07:03,080 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:03,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:03,080 INFO L85 PathProgramCache]: Analyzing trace with hash 955914954, now seen corresponding path program 2 times [2021-12-21 15:07:03,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:03,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633457191] [2021-12-21 15:07:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:03,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:04,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:04,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:04,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633457191] [2021-12-21 15:07:04,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633457191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:04,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:04,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-21 15:07:04,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669954520] [2021-12-21 15:07:04,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:04,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-21 15:07:04,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:04,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-21 15:07:04,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2021-12-21 15:07:04,282 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 152 [2021-12-21 15:07:04,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 288 transitions, 2370 flow. Second operand has 27 states, 27 states have (on average 92.66666666666667) internal successors, (2502), 27 states have internal predecessors, (2502), 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) [2021-12-21 15:07:04,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:04,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 152 [2021-12-21 15:07:04,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:08,100 INFO L129 PetriNetUnfolder]: 3004/8575 cut-off events. [2021-12-21 15:07:08,108 INFO L130 PetriNetUnfolder]: For 63195/64704 co-relation queries the response was YES. [2021-12-21 15:07:08,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36880 conditions, 8575 events. 3004/8575 cut-off events. For 63195/64704 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 87460 event pairs, 1018 based on Foata normal form. 410/8656 useless extension candidates. Maximal degree in co-relation 36734. Up to 3041 conditions per place. [2021-12-21 15:07:08,243 INFO L132 encePairwiseOnDemand]: 124/152 looper letters, 134 selfloop transitions, 146 changer transitions 67/440 dead transitions. [2021-12-21 15:07:08,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 440 transitions, 4950 flow [2021-12-21 15:07:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-21 15:07:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-12-21 15:07:08,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 3817 transitions. [2021-12-21 15:07:08,267 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6277960526315789 [2021-12-21 15:07:08,267 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 3817 transitions. [2021-12-21 15:07:08,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 3817 transitions. [2021-12-21 15:07:08,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:08,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 3817 transitions. [2021-12-21 15:07:08,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 95.425) internal successors, (3817), 40 states have internal predecessors, (3817), 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) [2021-12-21 15:07:08,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 152.0) internal successors, (6232), 41 states have internal predecessors, (6232), 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) [2021-12-21 15:07:08,284 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 152.0) internal successors, (6232), 41 states have internal predecessors, (6232), 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) [2021-12-21 15:07:08,285 INFO L186 Difference]: Start difference. First operand has 233 places, 288 transitions, 2370 flow. Second operand 40 states and 3817 transitions. [2021-12-21 15:07:08,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 440 transitions, 4950 flow [2021-12-21 15:07:08,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 440 transitions, 4859 flow, removed 42 selfloop flow, removed 2 redundant places. [2021-12-21 15:07:08,391 INFO L242 Difference]: Finished difference. Result has 281 places, 350 transitions, 3464 flow [2021-12-21 15:07:08,391 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=2331, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=3464, PETRI_PLACES=281, PETRI_TRANSITIONS=350} [2021-12-21 15:07:08,392 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 122 predicate places. [2021-12-21 15:07:08,393 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 350 transitions, 3464 flow [2021-12-21 15:07:08,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 92.66666666666667) internal successors, (2502), 27 states have internal predecessors, (2502), 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) [2021-12-21 15:07:08,394 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:08,394 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:08,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-21 15:07:08,395 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:08,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1113360434, now seen corresponding path program 1 times [2021-12-21 15:07:08,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:08,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963885210] [2021-12-21 15:07:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:08,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:08,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:08,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:08,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963885210] [2021-12-21 15:07:08,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963885210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:08,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:08,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 15:07:08,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887052785] [2021-12-21 15:07:08,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:08,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:07:08,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:08,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:07:08,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-21 15:07:08,540 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2021-12-21 15:07:08,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 350 transitions, 3464 flow. Second operand has 8 states, 8 states have (on average 126.25) internal successors, (1010), 8 states have internal predecessors, (1010), 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) [2021-12-21 15:07:08,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:08,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2021-12-21 15:07:08,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:11,425 INFO L129 PetriNetUnfolder]: 6619/13232 cut-off events. [2021-12-21 15:07:11,425 INFO L130 PetriNetUnfolder]: For 156137/158204 co-relation queries the response was YES. [2021-12-21 15:07:11,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71290 conditions, 13232 events. 6619/13232 cut-off events. For 156137/158204 co-relation queries the response was YES. Maximal size of possible extension queue 915. Compared 120062 event pairs, 337 based on Foata normal form. 583/13197 useless extension candidates. Maximal degree in co-relation 71143. Up to 3974 conditions per place. [2021-12-21 15:07:11,533 INFO L132 encePairwiseOnDemand]: 142/152 looper letters, 325 selfloop transitions, 15 changer transitions 265/735 dead transitions. [2021-12-21 15:07:11,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 735 transitions, 10061 flow [2021-12-21 15:07:11,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 15:07:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-21 15:07:11,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1480 transitions. [2021-12-21 15:07:11,535 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8851674641148325 [2021-12-21 15:07:11,535 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1480 transitions. [2021-12-21 15:07:11,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1480 transitions. [2021-12-21 15:07:11,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:11,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1480 transitions. [2021-12-21 15:07:11,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 134.54545454545453) internal successors, (1480), 11 states have internal predecessors, (1480), 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) [2021-12-21 15:07:11,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 152.0) internal successors, (1824), 12 states have internal predecessors, (1824), 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) [2021-12-21 15:07:11,539 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 152.0) internal successors, (1824), 12 states have internal predecessors, (1824), 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) [2021-12-21 15:07:11,539 INFO L186 Difference]: Start difference. First operand has 281 places, 350 transitions, 3464 flow. Second operand 11 states and 1480 transitions. [2021-12-21 15:07:11,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 735 transitions, 10061 flow [2021-12-21 15:07:11,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 735 transitions, 8900 flow, removed 489 selfloop flow, removed 31 redundant places. [2021-12-21 15:07:11,827 INFO L242 Difference]: Finished difference. Result has 255 places, 304 transitions, 2554 flow [2021-12-21 15:07:11,828 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=3019, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2554, PETRI_PLACES=255, PETRI_TRANSITIONS=304} [2021-12-21 15:07:11,828 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 96 predicate places. [2021-12-21 15:07:11,828 INFO L470 AbstractCegarLoop]: Abstraction has has 255 places, 304 transitions, 2554 flow [2021-12-21 15:07:11,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 126.25) internal successors, (1010), 8 states have internal predecessors, (1010), 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) [2021-12-21 15:07:11,829 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:11,829 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:11,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-21 15:07:11,829 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:11,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:11,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1483631827, now seen corresponding path program 1 times [2021-12-21 15:07:11,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:11,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229733128] [2021-12-21 15:07:11,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:11,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:12,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:12,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229733128] [2021-12-21 15:07:12,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229733128] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:12,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:12,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-12-21 15:07:12,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913231802] [2021-12-21 15:07:12,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:12,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-21 15:07:12,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:12,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-21 15:07:12,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2021-12-21 15:07:12,705 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 152 [2021-12-21 15:07:12,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 304 transitions, 2554 flow. Second operand has 25 states, 25 states have (on average 94.76) internal successors, (2369), 25 states have internal predecessors, (2369), 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) [2021-12-21 15:07:12,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:12,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 152 [2021-12-21 15:07:12,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:14,205 INFO L129 PetriNetUnfolder]: 1442/4605 cut-off events. [2021-12-21 15:07:14,205 INFO L130 PetriNetUnfolder]: For 32689/34065 co-relation queries the response was YES. [2021-12-21 15:07:14,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20058 conditions, 4605 events. 1442/4605 cut-off events. For 32689/34065 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 45841 event pairs, 364 based on Foata normal form. 363/4778 useless extension candidates. Maximal degree in co-relation 19907. Up to 1186 conditions per place. [2021-12-21 15:07:14,257 INFO L132 encePairwiseOnDemand]: 128/152 looper letters, 149 selfloop transitions, 95 changer transitions 14/361 dead transitions. [2021-12-21 15:07:14,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 361 transitions, 3781 flow [2021-12-21 15:07:14,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-21 15:07:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-12-21 15:07:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2706 transitions. [2021-12-21 15:07:14,260 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6358082706766918 [2021-12-21 15:07:14,260 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2706 transitions. [2021-12-21 15:07:14,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2706 transitions. [2021-12-21 15:07:14,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:14,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2706 transitions. [2021-12-21 15:07:14,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 96.64285714285714) internal successors, (2706), 28 states have internal predecessors, (2706), 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) [2021-12-21 15:07:14,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 152.0) internal successors, (4408), 29 states have internal predecessors, (4408), 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) [2021-12-21 15:07:14,266 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 152.0) internal successors, (4408), 29 states have internal predecessors, (4408), 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) [2021-12-21 15:07:14,266 INFO L186 Difference]: Start difference. First operand has 255 places, 304 transitions, 2554 flow. Second operand 28 states and 2706 transitions. [2021-12-21 15:07:14,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 361 transitions, 3781 flow [2021-12-21 15:07:14,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 361 transitions, 3646 flow, removed 54 selfloop flow, removed 10 redundant places. [2021-12-21 15:07:14,381 INFO L242 Difference]: Finished difference. Result has 268 places, 325 transitions, 3052 flow [2021-12-21 15:07:14,381 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=2425, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=3052, PETRI_PLACES=268, PETRI_TRANSITIONS=325} [2021-12-21 15:07:14,381 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 109 predicate places. [2021-12-21 15:07:14,381 INFO L470 AbstractCegarLoop]: Abstraction has has 268 places, 325 transitions, 3052 flow [2021-12-21 15:07:14,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 94.76) internal successors, (2369), 25 states have internal predecessors, (2369), 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) [2021-12-21 15:07:14,382 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:14,382 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:14,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-21 15:07:14,382 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:14,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:14,383 INFO L85 PathProgramCache]: Analyzing trace with hash 643118041, now seen corresponding path program 2 times [2021-12-21 15:07:14,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:14,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277595710] [2021-12-21 15:07:14,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:14,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:15,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:15,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277595710] [2021-12-21 15:07:15,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277595710] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:15,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:15,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-12-21 15:07:15,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965982573] [2021-12-21 15:07:15,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:15,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-21 15:07:15,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:15,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-21 15:07:15,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-12-21 15:07:15,292 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 152 [2021-12-21 15:07:15,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 325 transitions, 3052 flow. Second operand has 25 states, 25 states have (on average 95.72) internal successors, (2393), 25 states have internal predecessors, (2393), 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) [2021-12-21 15:07:15,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:15,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 152 [2021-12-21 15:07:15,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:17,330 INFO L129 PetriNetUnfolder]: 1895/6167 cut-off events. [2021-12-21 15:07:17,330 INFO L130 PetriNetUnfolder]: For 41554/43119 co-relation queries the response was YES. [2021-12-21 15:07:17,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24686 conditions, 6167 events. 1895/6167 cut-off events. For 41554/43119 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 66777 event pairs, 417 based on Foata normal form. 484/6397 useless extension candidates. Maximal degree in co-relation 24521. Up to 1321 conditions per place. [2021-12-21 15:07:17,395 INFO L132 encePairwiseOnDemand]: 128/152 looper letters, 185 selfloop transitions, 115 changer transitions 14/418 dead transitions. [2021-12-21 15:07:17,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 418 transitions, 4869 flow [2021-12-21 15:07:17,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-21 15:07:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-12-21 15:07:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 3036 transitions. [2021-12-21 15:07:17,397 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6443123938879457 [2021-12-21 15:07:17,398 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 3036 transitions. [2021-12-21 15:07:17,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 3036 transitions. [2021-12-21 15:07:17,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:17,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 3036 transitions. [2021-12-21 15:07:17,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 97.93548387096774) internal successors, (3036), 31 states have internal predecessors, (3036), 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) [2021-12-21 15:07:17,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 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) [2021-12-21 15:07:17,404 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 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) [2021-12-21 15:07:17,404 INFO L186 Difference]: Start difference. First operand has 268 places, 325 transitions, 3052 flow. Second operand 31 states and 3036 transitions. [2021-12-21 15:07:17,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 418 transitions, 4869 flow [2021-12-21 15:07:17,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 418 transitions, 4724 flow, removed 49 selfloop flow, removed 21 redundant places. [2021-12-21 15:07:17,553 INFO L242 Difference]: Finished difference. Result has 281 places, 361 transitions, 3862 flow [2021-12-21 15:07:17,554 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=2956, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=3862, PETRI_PLACES=281, PETRI_TRANSITIONS=361} [2021-12-21 15:07:17,554 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 122 predicate places. [2021-12-21 15:07:17,554 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 361 transitions, 3862 flow [2021-12-21 15:07:17,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 95.72) internal successors, (2393), 25 states have internal predecessors, (2393), 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) [2021-12-21 15:07:17,555 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:17,555 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:17,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-21 15:07:17,555 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:17,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash -221029267, now seen corresponding path program 3 times [2021-12-21 15:07:17,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:17,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015885054] [2021-12-21 15:07:17,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:17,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:18,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:18,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015885054] [2021-12-21 15:07:18,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015885054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:18,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:18,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-21 15:07:18,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755436892] [2021-12-21 15:07:18,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:18,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-21 15:07:18,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:18,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-21 15:07:18,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2021-12-21 15:07:18,737 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 152 [2021-12-21 15:07:18,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 361 transitions, 3862 flow. Second operand has 28 states, 28 states have (on average 91.67857142857143) internal successors, (2567), 28 states have internal predecessors, (2567), 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) [2021-12-21 15:07:18,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:18,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 152 [2021-12-21 15:07:18,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:20,720 INFO L129 PetriNetUnfolder]: 2018/6572 cut-off events. [2021-12-21 15:07:20,721 INFO L130 PetriNetUnfolder]: For 50578/51995 co-relation queries the response was YES. [2021-12-21 15:07:20,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27741 conditions, 6572 events. 2018/6572 cut-off events. For 50578/51995 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 72242 event pairs, 478 based on Foata normal form. 361/6666 useless extension candidates. Maximal degree in co-relation 27567. Up to 1702 conditions per place. [2021-12-21 15:07:20,806 INFO L132 encePairwiseOnDemand]: 125/152 looper letters, 241 selfloop transitions, 78 changer transitions 14/433 dead transitions. [2021-12-21 15:07:20,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 433 transitions, 5551 flow [2021-12-21 15:07:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-21 15:07:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-12-21 15:07:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 3079 transitions. [2021-12-21 15:07:20,809 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.613835725677831 [2021-12-21 15:07:20,810 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 3079 transitions. [2021-12-21 15:07:20,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 3079 transitions. [2021-12-21 15:07:20,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:20,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 3079 transitions. [2021-12-21 15:07:20,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 93.3030303030303) internal successors, (3079), 33 states have internal predecessors, (3079), 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) [2021-12-21 15:07:20,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 152.0) internal successors, (5168), 34 states have internal predecessors, (5168), 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) [2021-12-21 15:07:20,816 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 152.0) internal successors, (5168), 34 states have internal predecessors, (5168), 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) [2021-12-21 15:07:20,816 INFO L186 Difference]: Start difference. First operand has 281 places, 361 transitions, 3862 flow. Second operand 33 states and 3079 transitions. [2021-12-21 15:07:20,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 433 transitions, 5551 flow [2021-12-21 15:07:21,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 433 transitions, 5412 flow, removed 45 selfloop flow, removed 22 redundant places. [2021-12-21 15:07:21,014 INFO L242 Difference]: Finished difference. Result has 296 places, 389 transitions, 4524 flow [2021-12-21 15:07:21,015 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=3753, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=4524, PETRI_PLACES=296, PETRI_TRANSITIONS=389} [2021-12-21 15:07:21,015 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 137 predicate places. [2021-12-21 15:07:21,015 INFO L470 AbstractCegarLoop]: Abstraction has has 296 places, 389 transitions, 4524 flow [2021-12-21 15:07:21,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 91.67857142857143) internal successors, (2567), 28 states have internal predecessors, (2567), 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) [2021-12-21 15:07:21,016 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:21,016 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:21,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-21 15:07:21,016 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:21,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:21,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1323642483, now seen corresponding path program 4 times [2021-12-21 15:07:21,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:21,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336368899] [2021-12-21 15:07:21,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:21,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:21,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:21,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336368899] [2021-12-21 15:07:21,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336368899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:21,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:21,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-21 15:07:21,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170965936] [2021-12-21 15:07:21,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:21,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-21 15:07:21,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:21,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-21 15:07:21,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2021-12-21 15:07:21,515 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 152 [2021-12-21 15:07:21,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 389 transitions, 4524 flow. Second operand has 18 states, 18 states have (on average 112.88888888888889) internal successors, (2032), 18 states have internal predecessors, (2032), 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) [2021-12-21 15:07:21,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:21,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 152 [2021-12-21 15:07:21,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:23,111 INFO L129 PetriNetUnfolder]: 2201/7003 cut-off events. [2021-12-21 15:07:23,111 INFO L130 PetriNetUnfolder]: For 61862/64025 co-relation queries the response was YES. [2021-12-21 15:07:23,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30840 conditions, 7003 events. 2201/7003 cut-off events. For 61862/64025 co-relation queries the response was YES. Maximal size of possible extension queue 748. Compared 77801 event pairs, 452 based on Foata normal form. 653/7361 useless extension candidates. Maximal degree in co-relation 30667. Up to 1622 conditions per place. [2021-12-21 15:07:23,215 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 214 selfloop transitions, 89 changer transitions 19/441 dead transitions. [2021-12-21 15:07:23,215 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 441 transitions, 5893 flow [2021-12-21 15:07:23,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-21 15:07:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-12-21 15:07:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2642 transitions. [2021-12-21 15:07:23,220 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.755720823798627 [2021-12-21 15:07:23,220 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2642 transitions. [2021-12-21 15:07:23,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2642 transitions. [2021-12-21 15:07:23,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:23,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2642 transitions. [2021-12-21 15:07:23,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 114.8695652173913) internal successors, (2642), 23 states have internal predecessors, (2642), 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) [2021-12-21 15:07:23,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 152.0) internal successors, (3648), 24 states have internal predecessors, (3648), 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) [2021-12-21 15:07:23,249 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 152.0) internal successors, (3648), 24 states have internal predecessors, (3648), 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) [2021-12-21 15:07:23,249 INFO L186 Difference]: Start difference. First operand has 296 places, 389 transitions, 4524 flow. Second operand 23 states and 2642 transitions. [2021-12-21 15:07:23,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 441 transitions, 5893 flow [2021-12-21 15:07:23,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 441 transitions, 5743 flow, removed 29 selfloop flow, removed 27 redundant places. [2021-12-21 15:07:23,766 INFO L242 Difference]: Finished difference. Result has 298 places, 397 transitions, 4851 flow [2021-12-21 15:07:23,766 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=4398, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=4851, PETRI_PLACES=298, PETRI_TRANSITIONS=397} [2021-12-21 15:07:23,767 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 139 predicate places. [2021-12-21 15:07:23,767 INFO L470 AbstractCegarLoop]: Abstraction has has 298 places, 397 transitions, 4851 flow [2021-12-21 15:07:23,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 112.88888888888889) internal successors, (2032), 18 states have internal predecessors, (2032), 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) [2021-12-21 15:07:23,767 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:23,768 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:23,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-21 15:07:23,768 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:23,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:23,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1429985361, now seen corresponding path program 1 times [2021-12-21 15:07:23,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:23,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563875841] [2021-12-21 15:07:23,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:23,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:24,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:24,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563875841] [2021-12-21 15:07:24,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563875841] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:24,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:24,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-21 15:07:24,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110542905] [2021-12-21 15:07:24,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:24,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 15:07:24,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:24,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 15:07:24,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:07:24,091 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 152 [2021-12-21 15:07:24,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 397 transitions, 4851 flow. Second operand has 15 states, 15 states have (on average 112.4) internal successors, (1686), 15 states have internal predecessors, (1686), 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) [2021-12-21 15:07:24,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:24,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 152 [2021-12-21 15:07:24,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:26,008 INFO L129 PetriNetUnfolder]: 2678/8727 cut-off events. [2021-12-21 15:07:26,008 INFO L130 PetriNetUnfolder]: For 84119/86750 co-relation queries the response was YES. [2021-12-21 15:07:26,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38587 conditions, 8727 events. 2678/8727 cut-off events. For 84119/86750 co-relation queries the response was YES. Maximal size of possible extension queue 891. Compared 100894 event pairs, 586 based on Foata normal form. 744/9081 useless extension candidates. Maximal degree in co-relation 38412. Up to 1824 conditions per place. [2021-12-21 15:07:26,146 INFO L132 encePairwiseOnDemand]: 138/152 looper letters, 188 selfloop transitions, 157 changer transitions 10/473 dead transitions. [2021-12-21 15:07:26,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 473 transitions, 6683 flow [2021-12-21 15:07:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-21 15:07:26,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-21 15:07:26,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1860 transitions. [2021-12-21 15:07:26,148 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7648026315789473 [2021-12-21 15:07:26,148 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1860 transitions. [2021-12-21 15:07:26,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1860 transitions. [2021-12-21 15:07:26,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:26,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1860 transitions. [2021-12-21 15:07:26,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 116.25) internal successors, (1860), 16 states have internal predecessors, (1860), 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) [2021-12-21 15:07:26,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 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) [2021-12-21 15:07:26,154 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 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) [2021-12-21 15:07:26,154 INFO L186 Difference]: Start difference. First operand has 298 places, 397 transitions, 4851 flow. Second operand 16 states and 1860 transitions. [2021-12-21 15:07:26,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 473 transitions, 6683 flow [2021-12-21 15:07:26,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 473 transitions, 6504 flow, removed 81 selfloop flow, removed 17 redundant places. [2021-12-21 15:07:26,463 INFO L242 Difference]: Finished difference. Result has 296 places, 408 transitions, 5491 flow [2021-12-21 15:07:26,463 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=4770, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5491, PETRI_PLACES=296, PETRI_TRANSITIONS=408} [2021-12-21 15:07:26,464 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 137 predicate places. [2021-12-21 15:07:26,464 INFO L470 AbstractCegarLoop]: Abstraction has has 296 places, 408 transitions, 5491 flow [2021-12-21 15:07:26,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 112.4) internal successors, (1686), 15 states have internal predecessors, (1686), 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) [2021-12-21 15:07:26,464 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:26,464 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:26,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-21 15:07:26,465 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:26,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:26,465 INFO L85 PathProgramCache]: Analyzing trace with hash -3122253, now seen corresponding path program 2 times [2021-12-21 15:07:26,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:26,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878592210] [2021-12-21 15:07:26,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:26,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:26,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:26,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878592210] [2021-12-21 15:07:26,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878592210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:26,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:26,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 15:07:26,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434240969] [2021-12-21 15:07:26,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:26,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 15:07:26,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:26,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 15:07:26,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-21 15:07:26,602 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2021-12-21 15:07:26,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 408 transitions, 5491 flow. Second operand has 9 states, 9 states have (on average 126.33333333333333) internal successors, (1137), 9 states have internal predecessors, (1137), 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) [2021-12-21 15:07:26,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:26,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2021-12-21 15:07:26,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:30,377 INFO L129 PetriNetUnfolder]: 9048/19663 cut-off events. [2021-12-21 15:07:30,378 INFO L130 PetriNetUnfolder]: For 404947/407784 co-relation queries the response was YES. [2021-12-21 15:07:30,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124393 conditions, 19663 events. 9048/19663 cut-off events. For 404947/407784 co-relation queries the response was YES. Maximal size of possible extension queue 1970. Compared 215315 event pairs, 648 based on Foata normal form. 470/18927 useless extension candidates. Maximal degree in co-relation 124310. Up to 6172 conditions per place. [2021-12-21 15:07:31,014 INFO L132 encePairwiseOnDemand]: 142/152 looper letters, 539 selfloop transitions, 19 changer transitions 115/807 dead transitions. [2021-12-21 15:07:31,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 807 transitions, 14834 flow [2021-12-21 15:07:31,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-21 15:07:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-21 15:07:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1574 transitions. [2021-12-21 15:07:31,017 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8629385964912281 [2021-12-21 15:07:31,017 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1574 transitions. [2021-12-21 15:07:31,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1574 transitions. [2021-12-21 15:07:31,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:31,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1574 transitions. [2021-12-21 15:07:31,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 131.16666666666666) internal successors, (1574), 12 states have internal predecessors, (1574), 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) [2021-12-21 15:07:31,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 152.0) internal successors, (1976), 13 states have internal predecessors, (1976), 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) [2021-12-21 15:07:31,042 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 152.0) internal successors, (1976), 13 states have internal predecessors, (1976), 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) [2021-12-21 15:07:31,042 INFO L186 Difference]: Start difference. First operand has 296 places, 408 transitions, 5491 flow. Second operand 12 states and 1574 transitions. [2021-12-21 15:07:31,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 807 transitions, 14834 flow [2021-12-21 15:07:32,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 807 transitions, 14135 flow, removed 123 selfloop flow, removed 20 redundant places. [2021-12-21 15:07:32,640 INFO L242 Difference]: Finished difference. Result has 287 places, 398 transitions, 5140 flow [2021-12-21 15:07:32,640 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=5202, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5140, PETRI_PLACES=287, PETRI_TRANSITIONS=398} [2021-12-21 15:07:32,641 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 128 predicate places. [2021-12-21 15:07:32,641 INFO L470 AbstractCegarLoop]: Abstraction has has 287 places, 398 transitions, 5140 flow [2021-12-21 15:07:32,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 126.33333333333333) internal successors, (1137), 9 states have internal predecessors, (1137), 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) [2021-12-21 15:07:32,641 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:32,641 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:32,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-21 15:07:32,642 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:32,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:32,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1053123448, now seen corresponding path program 1 times [2021-12-21 15:07:32,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:32,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451554207] [2021-12-21 15:07:32,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:32,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:33,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:33,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451554207] [2021-12-21 15:07:33,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451554207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:33,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:33,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-12-21 15:07:33,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558263084] [2021-12-21 15:07:33,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:33,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-21 15:07:33,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:33,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-21 15:07:33,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-12-21 15:07:33,252 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 152 [2021-12-21 15:07:33,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 398 transitions, 5140 flow. Second operand has 20 states, 20 states have (on average 99.15) internal successors, (1983), 20 states have internal predecessors, (1983), 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) [2021-12-21 15:07:33,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:33,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 152 [2021-12-21 15:07:33,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:36,429 INFO L129 PetriNetUnfolder]: 4519/14852 cut-off events. [2021-12-21 15:07:36,429 INFO L130 PetriNetUnfolder]: For 107302/111903 co-relation queries the response was YES. [2021-12-21 15:07:36,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62756 conditions, 14852 events. 4519/14852 cut-off events. For 107302/111903 co-relation queries the response was YES. Maximal size of possible extension queue 1794. Compared 198817 event pairs, 610 based on Foata normal form. 590/14628 useless extension candidates. Maximal degree in co-relation 62592. Up to 2639 conditions per place. [2021-12-21 15:07:36,652 INFO L132 encePairwiseOnDemand]: 133/152 looper letters, 247 selfloop transitions, 164 changer transitions 19/536 dead transitions. [2021-12-21 15:07:36,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 536 transitions, 8138 flow [2021-12-21 15:07:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-21 15:07:36,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-21 15:07:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1867 transitions. [2021-12-21 15:07:36,669 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6823830409356725 [2021-12-21 15:07:36,683 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1867 transitions. [2021-12-21 15:07:36,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1867 transitions. [2021-12-21 15:07:36,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:36,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1867 transitions. [2021-12-21 15:07:36,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 103.72222222222223) internal successors, (1867), 18 states have internal predecessors, (1867), 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) [2021-12-21 15:07:36,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 152.0) internal successors, (2888), 19 states have internal predecessors, (2888), 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) [2021-12-21 15:07:36,689 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 152.0) internal successors, (2888), 19 states have internal predecessors, (2888), 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) [2021-12-21 15:07:36,689 INFO L186 Difference]: Start difference. First operand has 287 places, 398 transitions, 5140 flow. Second operand 18 states and 1867 transitions. [2021-12-21 15:07:36,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 536 transitions, 8138 flow [2021-12-21 15:07:37,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 536 transitions, 7173 flow, removed 428 selfloop flow, removed 24 redundant places. [2021-12-21 15:07:37,830 INFO L242 Difference]: Finished difference. Result has 282 places, 458 transitions, 6083 flow [2021-12-21 15:07:37,830 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=4617, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6083, PETRI_PLACES=282, PETRI_TRANSITIONS=458} [2021-12-21 15:07:37,831 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 123 predicate places. [2021-12-21 15:07:37,831 INFO L470 AbstractCegarLoop]: Abstraction has has 282 places, 458 transitions, 6083 flow [2021-12-21 15:07:37,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 99.15) internal successors, (1983), 20 states have internal predecessors, (1983), 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) [2021-12-21 15:07:37,831 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:37,836 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:37,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-21 15:07:37,836 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:07:37,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1535785186, now seen corresponding path program 2 times [2021-12-21 15:07:37,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:37,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718519982] [2021-12-21 15:07:37,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:37,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:38,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:38,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718519982] [2021-12-21 15:07:38,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718519982] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:38,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:38,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-21 15:07:38,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900615905] [2021-12-21 15:07:38,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:38,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-21 15:07:38,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:38,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-21 15:07:38,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-12-21 15:07:38,741 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 152 [2021-12-21 15:07:38,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 458 transitions, 6083 flow. Second operand has 19 states, 19 states have (on average 100.21052631578948) internal successors, (1904), 19 states have internal predecessors, (1904), 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) [2021-12-21 15:07:38,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:38,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 152 [2021-12-21 15:07:38,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand