./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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/safe035_power.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 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:38:35,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:38:35,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:38:35,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:38:35,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:38:35,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:38:35,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:38:35,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:38:35,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:38:35,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:38:35,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:38:35,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:38:35,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:38:35,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:38:35,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:38:35,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:38:35,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:38:35,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:38:35,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:38:35,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:38:35,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:38:35,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:38:35,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:38:35,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:38:35,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:38:35,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:38:35,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:38:35,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:38:35,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:38:35,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:38:35,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:38:35,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:38:35,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:38:35,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:38:35,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:38:35,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:38:35,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:38:35,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:38:35,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:38:35,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:38:35,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:38:35,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 16:38:35,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:38:35,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:38:35,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:38:35,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:38:35,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:38:35,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:38:35,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:38:35,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:38:35,305 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:38:35,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:38:35,305 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:38:35,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 16:38:35,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:38:35,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:38:35,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:38:35,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:38:35,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:38:35,306 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:38:35,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:38:35,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:38:35,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:38:35,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:38:35,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:38:35,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:38:35,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:38:35,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:38:35,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:38:35,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:38:35,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 16:38:35,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 16:38:35,308 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:38:35,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:38:35,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:38:35,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:38:35,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2021-12-14 16:38:35,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:38:35,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:38:35,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:38:35,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:38:35,538 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:38:35,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-12-14 16:38:35,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306c09dca/fa4c7d4e73ac4904a01a890ce8ec7d86/FLAGc948efcd3 [2021-12-14 16:38:35,990 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:38:35,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-12-14 16:38:36,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306c09dca/fa4c7d4e73ac4904a01a890ce8ec7d86/FLAGc948efcd3 [2021-12-14 16:38:36,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306c09dca/fa4c7d4e73ac4904a01a890ce8ec7d86 [2021-12-14 16:38:36,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:38:36,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:38:36,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:38:36,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:38:36,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:38:36,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260e2bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36, skipping insertion in model container [2021-12-14 16:38:36,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:38:36,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:38:36,249 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/safe035_power.i[947,960] [2021-12-14 16:38:36,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:38:36,453 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 16:38:36,466 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/safe035_power.i[947,960] [2021-12-14 16:38:36,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:38:36,541 INFO L208 MainTranslator]: Completed translation [2021-12-14 16:38:36,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36 WrapperNode [2021-12-14 16:38:36,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:38:36,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 16:38:36,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 16:38:36,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 16:38:36,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,610 INFO L137 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 484 [2021-12-14 16:38:36,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 16:38:36,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 16:38:36,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 16:38:36,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 16:38:36,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 16:38:36,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 16:38:36,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 16:38:36,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 16:38:36,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (1/1) ... [2021-12-14 16:38:36,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:38:36,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:38:36,693 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) [2021-12-14 16:38:36,724 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 [2021-12-14 16:38:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 16:38:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-14 16:38:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 16:38:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 16:38:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 16:38:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-14 16:38:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-14 16:38:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-14 16:38:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-14 16:38:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-14 16:38:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-14 16:38:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 16:38:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-14 16:38:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 16:38:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 16:38:36,781 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-14 16:38:36,887 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 16:38:36,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 16:38:37,530 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 16:38:38,002 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 16:38:38,003 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 16:38:38,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:38:38 BoogieIcfgContainer [2021-12-14 16:38:38,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 16:38:38,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 16:38:38,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 16:38:38,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 16:38:38,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:38:36" (1/3) ... [2021-12-14 16:38:38,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7022050b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:38:38, skipping insertion in model container [2021-12-14 16:38:38,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:36" (2/3) ... [2021-12-14 16:38:38,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7022050b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:38:38, skipping insertion in model container [2021-12-14 16:38:38,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:38:38" (3/3) ... [2021-12-14 16:38:38,012 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2021-12-14 16:38:38,016 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-14 16:38:38,017 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 16:38:38,017 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 16:38:38,017 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-14 16:38:38,064 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,064 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,064 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,065 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,065 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,065 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,065 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,065 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,066 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,066 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,066 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,067 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,067 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,067 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,067 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,067 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,067 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,068 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,068 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,068 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,069 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,069 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,072 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,072 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,072 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,072 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,072 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,072 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,073 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,073 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,073 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,073 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,073 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,074 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,074 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,074 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,074 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,074 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,074 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,074 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,075 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,075 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,075 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,075 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,075 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,075 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,080 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,081 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,082 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,082 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,082 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,083 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,083 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,084 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,084 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,084 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,084 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,088 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,088 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,088 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,088 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,088 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,098 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,098 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,098 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,098 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,099 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,100 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,100 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,100 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,111 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,111 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,111 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,112 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,112 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,112 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,112 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,112 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,112 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,112 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,112 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,114 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,114 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,114 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,119 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,119 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,119 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,119 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,119 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,119 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,123 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,123 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,123 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,123 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,124 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,124 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,124 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,130 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,130 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,130 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,131 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,131 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,131 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,131 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,131 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,131 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,132 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,132 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,132 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,132 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,132 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,132 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,132 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,135 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,137 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,151 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,152 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,153 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:38:38,154 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-14 16:38:38,184 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 16:38:38,189 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 [2021-12-14 16:38:38,189 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-12-14 16:38:38,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 119 transitions, 253 flow [2021-12-14 16:38:38,253 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-12-14 16:38:38,253 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:38:38,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-12-14 16:38:38,257 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 119 transitions, 253 flow [2021-12-14 16:38:38,261 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 116 transitions, 241 flow [2021-12-14 16:38:38,271 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-12-14 16:38:38,271 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:38:38,271 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:38,272 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] [2021-12-14 16:38:38,272 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:38,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:38,276 INFO L85 PathProgramCache]: Analyzing trace with hash 159138810, now seen corresponding path program 1 times [2021-12-14 16:38:38,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:38,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57907803] [2021-12-14 16:38:38,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:38,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:38,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:38,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:38,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57907803] [2021-12-14 16:38:38,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57907803] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:38,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:38,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 16:38:38,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072558061] [2021-12-14 16:38:38,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:38,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 16:38:38,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:38,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 16:38:38,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 16:38:38,556 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 119 [2021-12-14 16:38:38,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2021-12-14 16:38:38,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:38,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 119 [2021-12-14 16:38:38,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:38,978 INFO L129 PetriNetUnfolder]: 359/1823 cut-off events. [2021-12-14 16:38:38,978 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-14 16:38:38,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2415 conditions, 1823 events. 359/1823 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 15943 event pairs, 131 based on Foata normal form. 92/1812 useless extension candidates. Maximal degree in co-relation 2362. Up to 445 conditions per place. [2021-12-14 16:38:38,996 INFO L132 encePairwiseOnDemand]: 114/119 looper letters, 20 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2021-12-14 16:38:38,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 119 transitions, 291 flow [2021-12-14 16:38:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 16:38:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-14 16:38:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2021-12-14 16:38:39,028 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9159663865546218 [2021-12-14 16:38:39,028 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 327 transitions. [2021-12-14 16:38:39,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 327 transitions. [2021-12-14 16:38:39,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:39,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 327 transitions. [2021-12-14 16:38:39,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2021-12-14 16:38:39,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2021-12-14 16:38:39,043 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2021-12-14 16:38:39,044 INFO L186 Difference]: Start difference. First operand has 124 places, 116 transitions, 241 flow. Second operand 3 states and 327 transitions. [2021-12-14 16:38:39,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 119 transitions, 291 flow [2021-12-14 16:38:39,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 288 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-14 16:38:39,054 INFO L242 Difference]: Finished difference. Result has 121 places, 112 transitions, 234 flow [2021-12-14 16:38:39,056 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=121, PETRI_TRANSITIONS=112} [2021-12-14 16:38:39,066 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2021-12-14 16:38:39,067 INFO L470 AbstractCegarLoop]: Abstraction has has 121 places, 112 transitions, 234 flow [2021-12-14 16:38:39,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2021-12-14 16:38:39,067 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:39,068 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] [2021-12-14 16:38:39,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 16:38:39,068 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:39,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:39,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1597697283, now seen corresponding path program 1 times [2021-12-14 16:38:39,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:39,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446032266] [2021-12-14 16:38:39,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:39,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:39,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:39,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446032266] [2021-12-14 16:38:39,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446032266] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:39,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:39,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:38:39,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856591949] [2021-12-14 16:38:39,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:39,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:38:39,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:39,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:38:39,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:38:39,292 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 119 [2021-12-14 16:38:39,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 112 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 95.83333333333333) internal successors, (575), 6 states have internal predecessors, (575), 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) [2021-12-14 16:38:39,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:39,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 119 [2021-12-14 16:38:39,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:39,958 INFO L129 PetriNetUnfolder]: 1143/2848 cut-off events. [2021-12-14 16:38:39,958 INFO L130 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2021-12-14 16:38:39,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4692 conditions, 2848 events. 1143/2848 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 22066 event pairs, 206 based on Foata normal form. 0/2781 useless extension candidates. Maximal degree in co-relation 4639. Up to 561 conditions per place. [2021-12-14 16:38:39,971 INFO L132 encePairwiseOnDemand]: 113/119 looper letters, 24 selfloop transitions, 2 changer transitions 63/169 dead transitions. [2021-12-14 16:38:39,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 169 transitions, 510 flow [2021-12-14 16:38:39,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 16:38:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-14 16:38:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 926 transitions. [2021-12-14 16:38:39,976 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8646125116713352 [2021-12-14 16:38:39,976 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 926 transitions. [2021-12-14 16:38:39,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 926 transitions. [2021-12-14 16:38:39,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:39,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 926 transitions. [2021-12-14 16:38:39,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 102.88888888888889) internal successors, (926), 9 states have internal predecessors, (926), 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) [2021-12-14 16:38:39,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 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) [2021-12-14 16:38:39,983 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 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) [2021-12-14 16:38:39,983 INFO L186 Difference]: Start difference. First operand has 121 places, 112 transitions, 234 flow. Second operand 9 states and 926 transitions. [2021-12-14 16:38:39,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 169 transitions, 510 flow [2021-12-14 16:38:39,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 169 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-14 16:38:39,989 INFO L242 Difference]: Finished difference. Result has 134 places, 100 transitions, 226 flow [2021-12-14 16:38:39,989 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=226, PETRI_PLACES=134, PETRI_TRANSITIONS=100} [2021-12-14 16:38:39,990 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 10 predicate places. [2021-12-14 16:38:39,990 INFO L470 AbstractCegarLoop]: Abstraction has has 134 places, 100 transitions, 226 flow [2021-12-14 16:38:39,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.83333333333333) internal successors, (575), 6 states have internal predecessors, (575), 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) [2021-12-14 16:38:39,991 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:39,991 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] [2021-12-14 16:38:39,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 16:38:39,992 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:39,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:39,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1540814522, now seen corresponding path program 1 times [2021-12-14 16:38:39,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:39,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911262345] [2021-12-14 16:38:39,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:39,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:40,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:40,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911262345] [2021-12-14 16:38:40,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911262345] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:40,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:40,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-14 16:38:40,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670071627] [2021-12-14 16:38:40,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:40,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-14 16:38:40,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:40,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-14 16:38:40,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-12-14 16:38:40,429 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 119 [2021-12-14 16:38:40,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 100 transitions, 226 flow. Second operand has 13 states, 13 states have (on average 88.53846153846153) internal successors, (1151), 13 states have internal predecessors, (1151), 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) [2021-12-14 16:38:40,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:40,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 119 [2021-12-14 16:38:40,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:41,081 INFO L129 PetriNetUnfolder]: 867/1680 cut-off events. [2021-12-14 16:38:41,082 INFO L130 PetriNetUnfolder]: For 340/340 co-relation queries the response was YES. [2021-12-14 16:38:41,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3498 conditions, 1680 events. 867/1680 cut-off events. For 340/340 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 9962 event pairs, 460 based on Foata normal form. 32/1656 useless extension candidates. Maximal degree in co-relation 3432. Up to 978 conditions per place. [2021-12-14 16:38:41,090 INFO L132 encePairwiseOnDemand]: 104/119 looper letters, 26 selfloop transitions, 19 changer transitions 37/155 dead transitions. [2021-12-14 16:38:41,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 155 transitions, 525 flow [2021-12-14 16:38:41,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-14 16:38:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-14 16:38:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1389 transitions. [2021-12-14 16:38:41,094 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7781512605042017 [2021-12-14 16:38:41,094 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1389 transitions. [2021-12-14 16:38:41,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1389 transitions. [2021-12-14 16:38:41,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:41,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1389 transitions. [2021-12-14 16:38:41,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 92.6) internal successors, (1389), 15 states have internal predecessors, (1389), 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) [2021-12-14 16:38:41,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-12-14 16:38:41,101 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-12-14 16:38:41,101 INFO L186 Difference]: Start difference. First operand has 134 places, 100 transitions, 226 flow. Second operand 15 states and 1389 transitions. [2021-12-14 16:38:41,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 155 transitions, 525 flow [2021-12-14 16:38:41,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 155 transitions, 491 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-12-14 16:38:41,113 INFO L242 Difference]: Finished difference. Result has 132 places, 116 transitions, 336 flow [2021-12-14 16:38:41,113 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=336, PETRI_PLACES=132, PETRI_TRANSITIONS=116} [2021-12-14 16:38:41,114 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 8 predicate places. [2021-12-14 16:38:41,114 INFO L470 AbstractCegarLoop]: Abstraction has has 132 places, 116 transitions, 336 flow [2021-12-14 16:38:41,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 88.53846153846153) internal successors, (1151), 13 states have internal predecessors, (1151), 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) [2021-12-14 16:38:41,114 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:41,114 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] [2021-12-14 16:38:41,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 16:38:41,115 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:41,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:41,115 INFO L85 PathProgramCache]: Analyzing trace with hash 243236602, now seen corresponding path program 2 times [2021-12-14 16:38:41,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:41,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114779318] [2021-12-14 16:38:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:41,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:41,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:41,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114779318] [2021-12-14 16:38:41,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114779318] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:41,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:41,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-14 16:38:41,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505953763] [2021-12-14 16:38:41,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:41,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-14 16:38:41,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:41,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-14 16:38:41,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-14 16:38:41,490 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-14 16:38:41,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 116 transitions, 336 flow. Second operand has 12 states, 12 states have (on average 87.75) internal successors, (1053), 12 states have internal predecessors, (1053), 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) [2021-12-14 16:38:41,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:41,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-14 16:38:41,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:42,501 INFO L129 PetriNetUnfolder]: 1512/2929 cut-off events. [2021-12-14 16:38:42,502 INFO L130 PetriNetUnfolder]: For 3827/4461 co-relation queries the response was YES. [2021-12-14 16:38:42,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8224 conditions, 2929 events. 1512/2929 cut-off events. For 3827/4461 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 19721 event pairs, 766 based on Foata normal form. 61/2885 useless extension candidates. Maximal degree in co-relation 8150. Up to 942 conditions per place. [2021-12-14 16:38:42,523 INFO L132 encePairwiseOnDemand]: 101/119 looper letters, 58 selfloop transitions, 26 changer transitions 49/205 dead transitions. [2021-12-14 16:38:42,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 205 transitions, 972 flow [2021-12-14 16:38:42,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-14 16:38:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-14 16:38:42,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1402 transitions. [2021-12-14 16:38:42,527 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7854341736694678 [2021-12-14 16:38:42,527 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1402 transitions. [2021-12-14 16:38:42,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1402 transitions. [2021-12-14 16:38:42,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:42,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1402 transitions. [2021-12-14 16:38:42,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 93.46666666666667) internal successors, (1402), 15 states have internal predecessors, (1402), 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) [2021-12-14 16:38:42,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-12-14 16:38:42,533 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-12-14 16:38:42,533 INFO L186 Difference]: Start difference. First operand has 132 places, 116 transitions, 336 flow. Second operand 15 states and 1402 transitions. [2021-12-14 16:38:42,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 205 transitions, 972 flow [2021-12-14 16:38:42,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 205 transitions, 946 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-12-14 16:38:42,546 INFO L242 Difference]: Finished difference. Result has 144 places, 137 transitions, 604 flow [2021-12-14 16:38:42,546 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=604, PETRI_PLACES=144, PETRI_TRANSITIONS=137} [2021-12-14 16:38:42,547 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 20 predicate places. [2021-12-14 16:38:42,547 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 137 transitions, 604 flow [2021-12-14 16:38:42,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.75) internal successors, (1053), 12 states have internal predecessors, (1053), 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) [2021-12-14 16:38:42,547 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:42,548 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] [2021-12-14 16:38:42,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 16:38:42,548 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:42,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:42,548 INFO L85 PathProgramCache]: Analyzing trace with hash 805606531, now seen corresponding path program 1 times [2021-12-14 16:38:42,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:42,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659830522] [2021-12-14 16:38:42,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:42,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:42,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:42,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659830522] [2021-12-14 16:38:42,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659830522] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:42,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:42,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-14 16:38:42,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117996343] [2021-12-14 16:38:42,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:42,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-14 16:38:42,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:42,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-14 16:38:42,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-14 16:38:42,813 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 119 [2021-12-14 16:38:42,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 137 transitions, 604 flow. Second operand has 11 states, 11 states have (on average 88.9090909090909) internal successors, (978), 11 states have internal predecessors, (978), 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) [2021-12-14 16:38:42,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:42,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 119 [2021-12-14 16:38:42,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:43,918 INFO L129 PetriNetUnfolder]: 1810/3668 cut-off events. [2021-12-14 16:38:43,918 INFO L130 PetriNetUnfolder]: For 20928/22908 co-relation queries the response was YES. [2021-12-14 16:38:43,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17085 conditions, 3668 events. 1810/3668 cut-off events. For 20928/22908 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 27071 event pairs, 369 based on Foata normal form. 87/3646 useless extension candidates. Maximal degree in co-relation 17003. Up to 1692 conditions per place. [2021-12-14 16:38:43,957 INFO L132 encePairwiseOnDemand]: 105/119 looper letters, 59 selfloop transitions, 32 changer transitions 49/213 dead transitions. [2021-12-14 16:38:43,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 213 transitions, 1649 flow [2021-12-14 16:38:43,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 16:38:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-14 16:38:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1146 transitions. [2021-12-14 16:38:43,960 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8025210084033614 [2021-12-14 16:38:43,961 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1146 transitions. [2021-12-14 16:38:43,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1146 transitions. [2021-12-14 16:38:43,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:43,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1146 transitions. [2021-12-14 16:38:43,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 95.5) internal successors, (1146), 12 states have internal predecessors, (1146), 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) [2021-12-14 16:38:43,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 119.0) internal successors, (1547), 13 states have internal predecessors, (1547), 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) [2021-12-14 16:38:43,965 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 119.0) internal successors, (1547), 13 states have internal predecessors, (1547), 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) [2021-12-14 16:38:43,965 INFO L186 Difference]: Start difference. First operand has 144 places, 137 transitions, 604 flow. Second operand 12 states and 1146 transitions. [2021-12-14 16:38:43,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 213 transitions, 1649 flow [2021-12-14 16:38:43,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 213 transitions, 1607 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-12-14 16:38:43,992 INFO L242 Difference]: Finished difference. Result has 150 places, 150 transitions, 870 flow [2021-12-14 16:38:43,992 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=870, PETRI_PLACES=150, PETRI_TRANSITIONS=150} [2021-12-14 16:38:43,993 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 26 predicate places. [2021-12-14 16:38:43,993 INFO L470 AbstractCegarLoop]: Abstraction has has 150 places, 150 transitions, 870 flow [2021-12-14 16:38:43,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 88.9090909090909) internal successors, (978), 11 states have internal predecessors, (978), 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) [2021-12-14 16:38:43,994 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:43,994 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] [2021-12-14 16:38:43,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 16:38:43,994 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:43,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:43,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1708821195, now seen corresponding path program 1 times [2021-12-14 16:38:43,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:43,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982850246] [2021-12-14 16:38:43,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:43,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:44,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:44,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:44,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982850246] [2021-12-14 16:38:44,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982850246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:44,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:44,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:38:44,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168209580] [2021-12-14 16:38:44,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:44,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:38:44,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:44,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:38:44,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:38:44,101 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-14 16:38:44,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 150 transitions, 870 flow. Second operand has 6 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 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) [2021-12-14 16:38:44,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:44,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-14 16:38:44,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:46,352 INFO L129 PetriNetUnfolder]: 7225/12947 cut-off events. [2021-12-14 16:38:46,353 INFO L130 PetriNetUnfolder]: For 131234/131307 co-relation queries the response was YES. [2021-12-14 16:38:46,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59954 conditions, 12947 events. 7225/12947 cut-off events. For 131234/131307 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 102623 event pairs, 418 based on Foata normal form. 73/12811 useless extension candidates. Maximal degree in co-relation 59874. Up to 3895 conditions per place. [2021-12-14 16:38:46,486 INFO L132 encePairwiseOnDemand]: 109/119 looper letters, 114 selfloop transitions, 7 changer transitions 151/353 dead transitions. [2021-12-14 16:38:46,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 353 transitions, 3565 flow [2021-12-14 16:38:46,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 16:38:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-14 16:38:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1022 transitions. [2021-12-14 16:38:46,493 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8588235294117647 [2021-12-14 16:38:46,493 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1022 transitions. [2021-12-14 16:38:46,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1022 transitions. [2021-12-14 16:38:46,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:46,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1022 transitions. [2021-12-14 16:38:46,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 102.2) internal successors, (1022), 10 states have internal predecessors, (1022), 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) [2021-12-14 16:38:46,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 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) [2021-12-14 16:38:46,498 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 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) [2021-12-14 16:38:46,498 INFO L186 Difference]: Start difference. First operand has 150 places, 150 transitions, 870 flow. Second operand 10 states and 1022 transitions. [2021-12-14 16:38:46,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 353 transitions, 3565 flow [2021-12-14 16:38:46,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 353 transitions, 3098 flow, removed 166 selfloop flow, removed 16 redundant places. [2021-12-14 16:38:46,617 INFO L242 Difference]: Finished difference. Result has 143 places, 134 transitions, 658 flow [2021-12-14 16:38:46,617 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=658, PETRI_PLACES=143, PETRI_TRANSITIONS=134} [2021-12-14 16:38:46,618 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 19 predicate places. [2021-12-14 16:38:46,618 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 134 transitions, 658 flow [2021-12-14 16:38:46,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 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) [2021-12-14 16:38:46,618 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:46,618 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] [2021-12-14 16:38:46,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 16:38:46,619 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:46,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:46,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1253252614, now seen corresponding path program 1 times [2021-12-14 16:38:46,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:46,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434432008] [2021-12-14 16:38:46,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:46,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:46,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:46,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:46,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434432008] [2021-12-14 16:38:46,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434432008] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:46,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:46,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 16:38:46,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067163246] [2021-12-14 16:38:46,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:46,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 16:38:46,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:46,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 16:38:46,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-14 16:38:46,822 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 119 [2021-12-14 16:38:46,823 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 134 transitions, 658 flow. Second operand has 9 states, 9 states have (on average 91.22222222222223) internal successors, (821), 9 states have internal predecessors, (821), 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) [2021-12-14 16:38:46,823 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:46,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 119 [2021-12-14 16:38:46,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:48,241 INFO L129 PetriNetUnfolder]: 1956/5548 cut-off events. [2021-12-14 16:38:48,241 INFO L130 PetriNetUnfolder]: For 19789/20179 co-relation queries the response was YES. [2021-12-14 16:38:48,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21098 conditions, 5548 events. 1956/5548 cut-off events. For 19789/20179 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 55181 event pairs, 522 based on Foata normal form. 63/5273 useless extension candidates. Maximal degree in co-relation 21020. Up to 1568 conditions per place. [2021-12-14 16:38:48,291 INFO L132 encePairwiseOnDemand]: 104/119 looper letters, 64 selfloop transitions, 24 changer transitions 52/219 dead transitions. [2021-12-14 16:38:48,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 219 transitions, 1772 flow [2021-12-14 16:38:48,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-14 16:38:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-14 16:38:48,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1441 transitions. [2021-12-14 16:38:48,295 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8072829131652661 [2021-12-14 16:38:48,295 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1441 transitions. [2021-12-14 16:38:48,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1441 transitions. [2021-12-14 16:38:48,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:48,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1441 transitions. [2021-12-14 16:38:48,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 96.06666666666666) internal successors, (1441), 15 states have internal predecessors, (1441), 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) [2021-12-14 16:38:48,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-12-14 16:38:48,301 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-12-14 16:38:48,301 INFO L186 Difference]: Start difference. First operand has 143 places, 134 transitions, 658 flow. Second operand 15 states and 1441 transitions. [2021-12-14 16:38:48,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 219 transitions, 1772 flow [2021-12-14 16:38:48,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 219 transitions, 1763 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-12-14 16:38:48,317 INFO L242 Difference]: Finished difference. Result has 159 places, 147 transitions, 937 flow [2021-12-14 16:38:48,317 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=937, PETRI_PLACES=159, PETRI_TRANSITIONS=147} [2021-12-14 16:38:48,318 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 35 predicate places. [2021-12-14 16:38:48,318 INFO L470 AbstractCegarLoop]: Abstraction has has 159 places, 147 transitions, 937 flow [2021-12-14 16:38:48,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 91.22222222222223) internal successors, (821), 9 states have internal predecessors, (821), 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) [2021-12-14 16:38:48,319 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:48,319 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] [2021-12-14 16:38:48,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 16:38:48,319 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:48,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:48,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1639559514, now seen corresponding path program 2 times [2021-12-14 16:38:48,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:48,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674072368] [2021-12-14 16:38:48,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:48,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:48,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:48,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:48,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674072368] [2021-12-14 16:38:48,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674072368] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:48,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:48,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:38:48,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10082692] [2021-12-14 16:38:48,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:48,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:38:48,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:48,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:38:48,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:38:48,469 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-14 16:38:48,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 147 transitions, 937 flow. Second operand has 7 states, 7 states have (on average 92.42857142857143) internal successors, (647), 7 states have internal predecessors, (647), 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) [2021-12-14 16:38:48,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:48,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-14 16:38:48,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:49,772 INFO L129 PetriNetUnfolder]: 3273/6737 cut-off events. [2021-12-14 16:38:49,772 INFO L130 PetriNetUnfolder]: For 69612/71077 co-relation queries the response was YES. [2021-12-14 16:38:49,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34989 conditions, 6737 events. 3273/6737 cut-off events. For 69612/71077 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 55450 event pairs, 404 based on Foata normal form. 342/7051 useless extension candidates. Maximal degree in co-relation 34907. Up to 2052 conditions per place. [2021-12-14 16:38:49,824 INFO L132 encePairwiseOnDemand]: 109/119 looper letters, 141 selfloop transitions, 18 changer transitions 115/357 dead transitions. [2021-12-14 16:38:49,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 357 transitions, 4025 flow [2021-12-14 16:38:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 16:38:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-14 16:38:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1126 transitions. [2021-12-14 16:38:49,827 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8601986249045073 [2021-12-14 16:38:49,827 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1126 transitions. [2021-12-14 16:38:49,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1126 transitions. [2021-12-14 16:38:49,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:49,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1126 transitions. [2021-12-14 16:38:49,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 102.36363636363636) internal successors, (1126), 11 states have internal predecessors, (1126), 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) [2021-12-14 16:38:49,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 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) [2021-12-14 16:38:49,831 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 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) [2021-12-14 16:38:49,832 INFO L186 Difference]: Start difference. First operand has 159 places, 147 transitions, 937 flow. Second operand 11 states and 1126 transitions. [2021-12-14 16:38:49,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 357 transitions, 4025 flow [2021-12-14 16:38:49,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 357 transitions, 3765 flow, removed 113 selfloop flow, removed 9 redundant places. [2021-12-14 16:38:49,935 INFO L242 Difference]: Finished difference. Result has 158 places, 161 transitions, 1033 flow [2021-12-14 16:38:49,935 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1033, PETRI_PLACES=158, PETRI_TRANSITIONS=161} [2021-12-14 16:38:49,938 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 34 predicate places. [2021-12-14 16:38:49,938 INFO L470 AbstractCegarLoop]: Abstraction has has 158 places, 161 transitions, 1033 flow [2021-12-14 16:38:49,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.42857142857143) internal successors, (647), 7 states have internal predecessors, (647), 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) [2021-12-14 16:38:49,938 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:49,938 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] [2021-12-14 16:38:49,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 16:38:49,939 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:49,939 INFO L85 PathProgramCache]: Analyzing trace with hash 529975542, now seen corresponding path program 1 times [2021-12-14 16:38:49,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:49,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529055300] [2021-12-14 16:38:49,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:49,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:50,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:50,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529055300] [2021-12-14 16:38:50,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529055300] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:50,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:50,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-14 16:38:50,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531849056] [2021-12-14 16:38:50,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:50,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-14 16:38:50,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:50,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-14 16:38:50,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-12-14 16:38:50,336 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 119 [2021-12-14 16:38:50,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 161 transitions, 1033 flow. Second operand has 17 states, 17 states have (on average 86.52941176470588) internal successors, (1471), 17 states have internal predecessors, (1471), 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) [2021-12-14 16:38:50,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:50,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 119 [2021-12-14 16:38:50,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:51,575 INFO L129 PetriNetUnfolder]: 825/3651 cut-off events. [2021-12-14 16:38:51,575 INFO L130 PetriNetUnfolder]: For 16472/17571 co-relation queries the response was YES. [2021-12-14 16:38:51,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14578 conditions, 3651 events. 825/3651 cut-off events. For 16472/17571 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 39626 event pairs, 86 based on Foata normal form. 30/3507 useless extension candidates. Maximal degree in co-relation 14487. Up to 819 conditions per place. [2021-12-14 16:38:51,609 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 62 selfloop transitions, 35 changer transitions 59/246 dead transitions. [2021-12-14 16:38:51,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 246 transitions, 2452 flow [2021-12-14 16:38:51,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-14 16:38:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-14 16:38:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1900 transitions. [2021-12-14 16:38:51,633 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7603041216486595 [2021-12-14 16:38:51,635 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1900 transitions. [2021-12-14 16:38:51,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1900 transitions. [2021-12-14 16:38:51,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:51,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1900 transitions. [2021-12-14 16:38:51,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 90.47619047619048) internal successors, (1900), 21 states have internal predecessors, (1900), 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) [2021-12-14 16:38:51,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 119.0) internal successors, (2618), 22 states have internal predecessors, (2618), 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) [2021-12-14 16:38:51,645 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 119.0) internal successors, (2618), 22 states have internal predecessors, (2618), 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) [2021-12-14 16:38:51,645 INFO L186 Difference]: Start difference. First operand has 158 places, 161 transitions, 1033 flow. Second operand 21 states and 1900 transitions. [2021-12-14 16:38:51,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 246 transitions, 2452 flow [2021-12-14 16:38:51,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 246 transitions, 2398 flow, removed 24 selfloop flow, removed 2 redundant places. [2021-12-14 16:38:51,732 INFO L242 Difference]: Finished difference. Result has 189 places, 168 transitions, 1262 flow [2021-12-14 16:38:51,733 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=979, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1262, PETRI_PLACES=189, PETRI_TRANSITIONS=168} [2021-12-14 16:38:51,734 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 65 predicate places. [2021-12-14 16:38:51,734 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 168 transitions, 1262 flow [2021-12-14 16:38:51,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 86.52941176470588) internal successors, (1471), 17 states have internal predecessors, (1471), 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) [2021-12-14 16:38:51,735 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:51,735 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] [2021-12-14 16:38:51,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 16:38:51,735 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:51,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:51,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1166452006, now seen corresponding path program 2 times [2021-12-14 16:38:51,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:51,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513533166] [2021-12-14 16:38:51,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:51,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:52,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:52,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513533166] [2021-12-14 16:38:52,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513533166] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:52,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:52,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-14 16:38:52,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409872207] [2021-12-14 16:38:52,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:52,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-14 16:38:52,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:52,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-14 16:38:52,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-14 16:38:52,047 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 119 [2021-12-14 16:38:52,048 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 168 transitions, 1262 flow. Second operand has 12 states, 12 states have (on average 89.91666666666667) internal successors, (1079), 12 states have internal predecessors, (1079), 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) [2021-12-14 16:38:52,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:52,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 119 [2021-12-14 16:38:52,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:53,149 INFO L129 PetriNetUnfolder]: 994/4672 cut-off events. [2021-12-14 16:38:53,149 INFO L130 PetriNetUnfolder]: For 22139/22430 co-relation queries the response was YES. [2021-12-14 16:38:53,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18117 conditions, 4672 events. 994/4672 cut-off events. For 22139/22430 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 54922 event pairs, 60 based on Foata normal form. 38/4480 useless extension candidates. Maximal degree in co-relation 18012. Up to 626 conditions per place. [2021-12-14 16:38:53,195 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 77 selfloop transitions, 23 changer transitions 44/237 dead transitions. [2021-12-14 16:38:53,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 237 transitions, 2610 flow [2021-12-14 16:38:53,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 16:38:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-14 16:38:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1243 transitions. [2021-12-14 16:38:53,197 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8034906270200388 [2021-12-14 16:38:53,197 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1243 transitions. [2021-12-14 16:38:53,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1243 transitions. [2021-12-14 16:38:53,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:53,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1243 transitions. [2021-12-14 16:38:53,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 95.61538461538461) internal successors, (1243), 13 states have internal predecessors, (1243), 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) [2021-12-14 16:38:53,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 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) [2021-12-14 16:38:53,202 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 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) [2021-12-14 16:38:53,202 INFO L186 Difference]: Start difference. First operand has 189 places, 168 transitions, 1262 flow. Second operand 13 states and 1243 transitions. [2021-12-14 16:38:53,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 237 transitions, 2610 flow [2021-12-14 16:38:53,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 237 transitions, 2469 flow, removed 66 selfloop flow, removed 14 redundant places. [2021-12-14 16:38:53,292 INFO L242 Difference]: Finished difference. Result has 184 places, 165 transitions, 1238 flow [2021-12-14 16:38:53,293 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1193, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1238, PETRI_PLACES=184, PETRI_TRANSITIONS=165} [2021-12-14 16:38:53,293 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 60 predicate places. [2021-12-14 16:38:53,293 INFO L470 AbstractCegarLoop]: Abstraction has has 184 places, 165 transitions, 1238 flow [2021-12-14 16:38:53,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 89.91666666666667) internal successors, (1079), 12 states have internal predecessors, (1079), 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) [2021-12-14 16:38:53,294 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:53,294 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] [2021-12-14 16:38:53,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-14 16:38:53,294 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:53,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:53,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1642106364, now seen corresponding path program 3 times [2021-12-14 16:38:53,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:53,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606954640] [2021-12-14 16:38:53,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:53,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:53,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:53,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606954640] [2021-12-14 16:38:53,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606954640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:53,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:53,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 16:38:53,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597019393] [2021-12-14 16:38:53,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:53,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 16:38:53,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:53,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 16:38:53,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-14 16:38:53,403 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-14 16:38:53,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 165 transitions, 1238 flow. Second operand has 8 states, 8 states have (on average 92.5) internal successors, (740), 8 states have internal predecessors, (740), 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) [2021-12-14 16:38:53,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:53,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-14 16:38:53,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:55,142 INFO L129 PetriNetUnfolder]: 3494/8149 cut-off events. [2021-12-14 16:38:55,142 INFO L130 PetriNetUnfolder]: For 86907/88563 co-relation queries the response was YES. [2021-12-14 16:38:55,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42778 conditions, 8149 events. 3494/8149 cut-off events. For 86907/88563 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 79174 event pairs, 382 based on Foata normal form. 239/8367 useless extension candidates. Maximal degree in co-relation 42727. Up to 2102 conditions per place. [2021-12-14 16:38:55,261 INFO L132 encePairwiseOnDemand]: 109/119 looper letters, 110 selfloop transitions, 22 changer transitions 118/334 dead transitions. [2021-12-14 16:38:55,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 334 transitions, 4091 flow [2021-12-14 16:38:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-14 16:38:55,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-14 16:38:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1375 transitions. [2021-12-14 16:38:55,265 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8253301320528211 [2021-12-14 16:38:55,265 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1375 transitions. [2021-12-14 16:38:55,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1375 transitions. [2021-12-14 16:38:55,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:55,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1375 transitions. [2021-12-14 16:38:55,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 98.21428571428571) internal successors, (1375), 14 states have internal predecessors, (1375), 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) [2021-12-14 16:38:55,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 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) [2021-12-14 16:38:55,284 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 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) [2021-12-14 16:38:55,284 INFO L186 Difference]: Start difference. First operand has 184 places, 165 transitions, 1238 flow. Second operand 14 states and 1375 transitions. [2021-12-14 16:38:55,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 334 transitions, 4091 flow [2021-12-14 16:38:55,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 334 transitions, 3521 flow, removed 207 selfloop flow, removed 11 redundant places. [2021-12-14 16:38:55,462 INFO L242 Difference]: Finished difference. Result has 189 places, 165 transitions, 1153 flow [2021-12-14 16:38:55,463 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1153, PETRI_PLACES=189, PETRI_TRANSITIONS=165} [2021-12-14 16:38:55,463 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 65 predicate places. [2021-12-14 16:38:55,463 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 165 transitions, 1153 flow [2021-12-14 16:38:55,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 92.5) internal successors, (740), 8 states have internal predecessors, (740), 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) [2021-12-14 16:38:55,464 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:55,464 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] [2021-12-14 16:38:55,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-14 16:38:55,465 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:55,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:55,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1379572381, now seen corresponding path program 1 times [2021-12-14 16:38:55,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:55,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552847715] [2021-12-14 16:38:55,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:55,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:55,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:55,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552847715] [2021-12-14 16:38:55,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552847715] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:55,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:55,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-14 16:38:55,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746107382] [2021-12-14 16:38:55,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:55,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-14 16:38:55,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:55,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-14 16:38:55,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-12-14 16:38:55,825 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-14 16:38:55,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 165 transitions, 1153 flow. Second operand has 16 states, 16 states have (on average 87.75) internal successors, (1404), 16 states have internal predecessors, (1404), 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) [2021-12-14 16:38:55,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:55,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-14 16:38:55,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:56,486 INFO L129 PetriNetUnfolder]: 681/3974 cut-off events. [2021-12-14 16:38:56,486 INFO L130 PetriNetUnfolder]: For 15865/16331 co-relation queries the response was YES. [2021-12-14 16:38:56,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14415 conditions, 3974 events. 681/3974 cut-off events. For 15865/16331 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 49857 event pairs, 51 based on Foata normal form. 7/3748 useless extension candidates. Maximal degree in co-relation 14311. Up to 516 conditions per place. [2021-12-14 16:38:56,519 INFO L132 encePairwiseOnDemand]: 106/119 looper letters, 64 selfloop transitions, 13 changer transitions 26/195 dead transitions. [2021-12-14 16:38:56,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 195 transitions, 1700 flow [2021-12-14 16:38:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-14 16:38:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-14 16:38:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1260 transitions. [2021-12-14 16:38:56,521 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7563025210084033 [2021-12-14 16:38:56,521 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1260 transitions. [2021-12-14 16:38:56,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1260 transitions. [2021-12-14 16:38:56,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:56,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1260 transitions. [2021-12-14 16:38:56,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 90.0) internal successors, (1260), 14 states have internal predecessors, (1260), 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) [2021-12-14 16:38:56,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 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) [2021-12-14 16:38:56,525 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 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) [2021-12-14 16:38:56,525 INFO L186 Difference]: Start difference. First operand has 189 places, 165 transitions, 1153 flow. Second operand 14 states and 1260 transitions. [2021-12-14 16:38:56,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 195 transitions, 1700 flow [2021-12-14 16:38:56,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 195 transitions, 1436 flow, removed 114 selfloop flow, removed 17 redundant places. [2021-12-14 16:38:56,656 INFO L242 Difference]: Finished difference. Result has 187 places, 163 transitions, 1003 flow [2021-12-14 16:38:56,656 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=979, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1003, PETRI_PLACES=187, PETRI_TRANSITIONS=163} [2021-12-14 16:38:56,656 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 63 predicate places. [2021-12-14 16:38:56,656 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 163 transitions, 1003 flow [2021-12-14 16:38:56,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 87.75) internal successors, (1404), 16 states have internal predecessors, (1404), 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) [2021-12-14 16:38:56,657 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:56,657 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] [2021-12-14 16:38:56,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-14 16:38:56,657 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:56,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:56,658 INFO L85 PathProgramCache]: Analyzing trace with hash -147494291, now seen corresponding path program 2 times [2021-12-14 16:38:56,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:56,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042635841] [2021-12-14 16:38:56,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:56,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:57,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:57,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042635841] [2021-12-14 16:38:57,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042635841] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:57,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:57,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-14 16:38:57,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088785258] [2021-12-14 16:38:57,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:57,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-14 16:38:57,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:57,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-14 16:38:57,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2021-12-14 16:38:57,014 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-14 16:38:57,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 163 transitions, 1003 flow. Second operand has 17 states, 17 states have (on average 87.6470588235294) internal successors, (1490), 17 states have internal predecessors, (1490), 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) [2021-12-14 16:38:57,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:57,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-14 16:38:57,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:57,741 INFO L129 PetriNetUnfolder]: 605/3605 cut-off events. [2021-12-14 16:38:57,742 INFO L130 PetriNetUnfolder]: For 6922/7049 co-relation queries the response was YES. [2021-12-14 16:38:57,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10884 conditions, 3605 events. 605/3605 cut-off events. For 6922/7049 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 44258 event pairs, 65 based on Foata normal form. 4/3409 useless extension candidates. Maximal degree in co-relation 10839. Up to 453 conditions per place. [2021-12-14 16:38:57,777 INFO L132 encePairwiseOnDemand]: 105/119 looper letters, 68 selfloop transitions, 13 changer transitions 22/195 dead transitions. [2021-12-14 16:38:57,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 195 transitions, 1512 flow [2021-12-14 16:38:57,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-14 16:38:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-14 16:38:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1349 transitions. [2021-12-14 16:38:57,779 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7557422969187675 [2021-12-14 16:38:57,779 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1349 transitions. [2021-12-14 16:38:57,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1349 transitions. [2021-12-14 16:38:57,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:57,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1349 transitions. [2021-12-14 16:38:57,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 89.93333333333334) internal successors, (1349), 15 states have internal predecessors, (1349), 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) [2021-12-14 16:38:57,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-12-14 16:38:57,784 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-12-14 16:38:57,784 INFO L186 Difference]: Start difference. First operand has 187 places, 163 transitions, 1003 flow. Second operand 15 states and 1349 transitions. [2021-12-14 16:38:57,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 195 transitions, 1512 flow [2021-12-14 16:38:57,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 195 transitions, 1466 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-12-14 16:38:57,866 INFO L242 Difference]: Finished difference. Result has 189 places, 161 transitions, 990 flow [2021-12-14 16:38:57,866 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=963, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=990, PETRI_PLACES=189, PETRI_TRANSITIONS=161} [2021-12-14 16:38:57,867 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 65 predicate places. [2021-12-14 16:38:57,867 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 161 transitions, 990 flow [2021-12-14 16:38:57,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 87.6470588235294) internal successors, (1490), 17 states have internal predecessors, (1490), 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) [2021-12-14 16:38:57,867 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:57,868 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] [2021-12-14 16:38:57,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-14 16:38:57,868 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:57,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:57,869 INFO L85 PathProgramCache]: Analyzing trace with hash 502470621, now seen corresponding path program 3 times [2021-12-14 16:38:57,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:57,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481169638] [2021-12-14 16:38:57,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:57,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:58,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:58,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481169638] [2021-12-14 16:38:58,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481169638] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:58,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:58,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-14 16:38:58,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157033186] [2021-12-14 16:38:58,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:58,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-14 16:38:58,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:58,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-14 16:38:58,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-14 16:38:58,118 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 119 [2021-12-14 16:38:58,119 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 161 transitions, 990 flow. Second operand has 11 states, 11 states have (on average 89.45454545454545) internal successors, (984), 11 states have internal predecessors, (984), 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) [2021-12-14 16:38:58,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:58,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 119 [2021-12-14 16:38:58,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:38:59,076 INFO L129 PetriNetUnfolder]: 759/4705 cut-off events. [2021-12-14 16:38:59,076 INFO L130 PetriNetUnfolder]: For 8805/8871 co-relation queries the response was YES. [2021-12-14 16:38:59,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13707 conditions, 4705 events. 759/4705 cut-off events. For 8805/8871 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 61780 event pairs, 60 based on Foata normal form. 3/4472 useless extension candidates. Maximal degree in co-relation 13661. Up to 482 conditions per place. [2021-12-14 16:38:59,120 INFO L132 encePairwiseOnDemand]: 107/119 looper letters, 63 selfloop transitions, 26 changer transitions 41/223 dead transitions. [2021-12-14 16:38:59,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 223 transitions, 1937 flow [2021-12-14 16:38:59,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 16:38:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-14 16:38:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1113 transitions. [2021-12-14 16:38:59,122 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7794117647058824 [2021-12-14 16:38:59,122 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1113 transitions. [2021-12-14 16:38:59,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1113 transitions. [2021-12-14 16:38:59,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:38:59,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1113 transitions. [2021-12-14 16:38:59,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 92.75) internal successors, (1113), 12 states have internal predecessors, (1113), 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) [2021-12-14 16:38:59,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 119.0) internal successors, (1547), 13 states have internal predecessors, (1547), 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) [2021-12-14 16:38:59,126 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 119.0) internal successors, (1547), 13 states have internal predecessors, (1547), 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) [2021-12-14 16:38:59,126 INFO L186 Difference]: Start difference. First operand has 189 places, 161 transitions, 990 flow. Second operand 12 states and 1113 transitions. [2021-12-14 16:38:59,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 223 transitions, 1937 flow [2021-12-14 16:38:59,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 223 transitions, 1864 flow, removed 18 selfloop flow, removed 16 redundant places. [2021-12-14 16:38:59,234 INFO L242 Difference]: Finished difference. Result has 187 places, 171 transitions, 1154 flow [2021-12-14 16:38:59,234 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1154, PETRI_PLACES=187, PETRI_TRANSITIONS=171} [2021-12-14 16:38:59,234 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 63 predicate places. [2021-12-14 16:38:59,235 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 171 transitions, 1154 flow [2021-12-14 16:38:59,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 89.45454545454545) internal successors, (984), 11 states have internal predecessors, (984), 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) [2021-12-14 16:38:59,235 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:38:59,235 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] [2021-12-14 16:38:59,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-14 16:38:59,236 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:38:59,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:38:59,236 INFO L85 PathProgramCache]: Analyzing trace with hash -166600395, now seen corresponding path program 4 times [2021-12-14 16:38:59,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:38:59,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317905291] [2021-12-14 16:38:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:38:59,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:38:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:38:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:38:59,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:38:59,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317905291] [2021-12-14 16:38:59,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317905291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:38:59,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:38:59,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-12-14 16:38:59,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689607149] [2021-12-14 16:38:59,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:38:59,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-14 16:38:59,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:38:59,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-14 16:38:59,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-12-14 16:38:59,724 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 119 [2021-12-14 16:38:59,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 171 transitions, 1154 flow. Second operand has 20 states, 20 states have (on average 82.65) internal successors, (1653), 20 states have internal predecessors, (1653), 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) [2021-12-14 16:38:59,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:38:59,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 119 [2021-12-14 16:38:59,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:39:00,495 INFO L129 PetriNetUnfolder]: 490/2960 cut-off events. [2021-12-14 16:39:00,496 INFO L130 PetriNetUnfolder]: For 6522/6593 co-relation queries the response was YES. [2021-12-14 16:39:00,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9160 conditions, 2960 events. 490/2960 cut-off events. For 6522/6593 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 34784 event pairs, 21 based on Foata normal form. 1/2803 useless extension candidates. Maximal degree in co-relation 9108. Up to 302 conditions per place. [2021-12-14 16:39:00,522 INFO L132 encePairwiseOnDemand]: 103/119 looper letters, 112 selfloop transitions, 25 changer transitions 12/236 dead transitions. [2021-12-14 16:39:00,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 236 transitions, 2165 flow [2021-12-14 16:39:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-14 16:39:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-14 16:39:00,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1622 transitions. [2021-12-14 16:39:00,527 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7173816895179125 [2021-12-14 16:39:00,527 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1622 transitions. [2021-12-14 16:39:00,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1622 transitions. [2021-12-14 16:39:00,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:39:00,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1622 transitions. [2021-12-14 16:39:00,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 85.36842105263158) internal successors, (1622), 19 states have internal predecessors, (1622), 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) [2021-12-14 16:39:00,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 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) [2021-12-14 16:39:00,543 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 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) [2021-12-14 16:39:00,543 INFO L186 Difference]: Start difference. First operand has 187 places, 171 transitions, 1154 flow. Second operand 19 states and 1622 transitions. [2021-12-14 16:39:00,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 236 transitions, 2165 flow [2021-12-14 16:39:00,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 236 transitions, 2120 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-12-14 16:39:00,591 INFO L242 Difference]: Finished difference. Result has 200 places, 178 transitions, 1318 flow [2021-12-14 16:39:00,592 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1318, PETRI_PLACES=200, PETRI_TRANSITIONS=178} [2021-12-14 16:39:00,592 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 76 predicate places. [2021-12-14 16:39:00,592 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 178 transitions, 1318 flow [2021-12-14 16:39:00,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 82.65) internal successors, (1653), 20 states have internal predecessors, (1653), 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) [2021-12-14 16:39:00,593 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:39:00,593 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] [2021-12-14 16:39:00,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-14 16:39:00,593 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:39:00,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:39:00,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1029849385, now seen corresponding path program 5 times [2021-12-14 16:39:00,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:39:00,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570217339] [2021-12-14 16:39:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:39:00,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:39:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:39:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:39:00,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:39:00,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570217339] [2021-12-14 16:39:00,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570217339] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:39:00,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:39:00,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-14 16:39:00,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092340599] [2021-12-14 16:39:00,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:39:00,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-14 16:39:00,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:39:00,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-14 16:39:00,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-14 16:39:00,769 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 119 [2021-12-14 16:39:00,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 178 transitions, 1318 flow. Second operand has 11 states, 11 states have (on average 91.27272727272727) internal successors, (1004), 11 states have internal predecessors, (1004), 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) [2021-12-14 16:39:00,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:39:00,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 119 [2021-12-14 16:39:00,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:39:01,588 INFO L129 PetriNetUnfolder]: 748/4119 cut-off events. [2021-12-14 16:39:01,588 INFO L130 PetriNetUnfolder]: For 11552/11705 co-relation queries the response was YES. [2021-12-14 16:39:01,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13208 conditions, 4119 events. 748/4119 cut-off events. For 11552/11705 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 51111 event pairs, 34 based on Foata normal form. 25/3923 useless extension candidates. Maximal degree in co-relation 13158. Up to 436 conditions per place. [2021-12-14 16:39:01,631 INFO L132 encePairwiseOnDemand]: 108/119 looper letters, 40 selfloop transitions, 17 changer transitions 94/249 dead transitions. [2021-12-14 16:39:01,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 249 transitions, 2427 flow [2021-12-14 16:39:01,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 16:39:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-14 16:39:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1230 transitions. [2021-12-14 16:39:01,633 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7950872656755009 [2021-12-14 16:39:01,633 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1230 transitions. [2021-12-14 16:39:01,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1230 transitions. [2021-12-14 16:39:01,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:39:01,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1230 transitions. [2021-12-14 16:39:01,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 94.61538461538461) internal successors, (1230), 13 states have internal predecessors, (1230), 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) [2021-12-14 16:39:01,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 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) [2021-12-14 16:39:01,636 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 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) [2021-12-14 16:39:01,637 INFO L186 Difference]: Start difference. First operand has 200 places, 178 transitions, 1318 flow. Second operand 13 states and 1230 transitions. [2021-12-14 16:39:01,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 249 transitions, 2427 flow [2021-12-14 16:39:01,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 249 transitions, 2341 flow, removed 28 selfloop flow, removed 12 redundant places. [2021-12-14 16:39:01,721 INFO L242 Difference]: Finished difference. Result has 204 places, 150 transitions, 953 flow [2021-12-14 16:39:01,722 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1257, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=953, PETRI_PLACES=204, PETRI_TRANSITIONS=150} [2021-12-14 16:39:01,723 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 80 predicate places. [2021-12-14 16:39:01,723 INFO L470 AbstractCegarLoop]: Abstraction has has 204 places, 150 transitions, 953 flow [2021-12-14 16:39:01,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.27272727272727) internal successors, (1004), 11 states have internal predecessors, (1004), 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) [2021-12-14 16:39:01,725 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:39:01,725 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] [2021-12-14 16:39:01,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-14 16:39:01,725 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:39:01,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:39:01,725 INFO L85 PathProgramCache]: Analyzing trace with hash -532126725, now seen corresponding path program 6 times [2021-12-14 16:39:01,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:39:01,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298326977] [2021-12-14 16:39:01,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:39:01,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:39:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:39:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:39:01,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:39:01,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298326977] [2021-12-14 16:39:01,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298326977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:39:01,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:39:01,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-14 16:39:01,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377107948] [2021-12-14 16:39:01,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:39:01,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-14 16:39:01,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:39:01,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-14 16:39:01,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-14 16:39:01,996 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-14 16:39:01,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 150 transitions, 953 flow. Second operand has 12 states, 12 states have (on average 88.33333333333333) internal successors, (1060), 12 states have internal predecessors, (1060), 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) [2021-12-14 16:39:01,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:39:01,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-14 16:39:01,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:39:02,456 INFO L129 PetriNetUnfolder]: 341/2325 cut-off events. [2021-12-14 16:39:02,456 INFO L130 PetriNetUnfolder]: For 4933/4982 co-relation queries the response was YES. [2021-12-14 16:39:02,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6731 conditions, 2325 events. 341/2325 cut-off events. For 4933/4982 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 26584 event pairs, 23 based on Foata normal form. 2/2199 useless extension candidates. Maximal degree in co-relation 6677. Up to 252 conditions per place. [2021-12-14 16:39:02,477 INFO L132 encePairwiseOnDemand]: 108/119 looper letters, 43 selfloop transitions, 16 changer transitions 23/175 dead transitions. [2021-12-14 16:39:02,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 175 transitions, 1399 flow [2021-12-14 16:39:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 16:39:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-14 16:39:02,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 997 transitions. [2021-12-14 16:39:02,478 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7616501145912911 [2021-12-14 16:39:02,478 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 997 transitions. [2021-12-14 16:39:02,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 997 transitions. [2021-12-14 16:39:02,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:39:02,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 997 transitions. [2021-12-14 16:39:02,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 90.63636363636364) internal successors, (997), 11 states have internal predecessors, (997), 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) [2021-12-14 16:39:02,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 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) [2021-12-14 16:39:02,481 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 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) [2021-12-14 16:39:02,481 INFO L186 Difference]: Start difference. First operand has 204 places, 150 transitions, 953 flow. Second operand 11 states and 997 transitions. [2021-12-14 16:39:02,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 175 transitions, 1399 flow [2021-12-14 16:39:02,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 175 transitions, 1224 flow, removed 65 selfloop flow, removed 18 redundant places. [2021-12-14 16:39:02,513 INFO L242 Difference]: Finished difference. Result has 194 places, 148 transitions, 872 flow [2021-12-14 16:39:02,513 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=872, PETRI_PLACES=194, PETRI_TRANSITIONS=148} [2021-12-14 16:39:02,514 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 70 predicate places. [2021-12-14 16:39:02,514 INFO L470 AbstractCegarLoop]: Abstraction has has 194 places, 148 transitions, 872 flow [2021-12-14 16:39:02,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 88.33333333333333) internal successors, (1060), 12 states have internal predecessors, (1060), 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) [2021-12-14 16:39:02,514 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:39:02,514 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] [2021-12-14 16:39:02,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-14 16:39:02,515 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:39:02,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:39:02,515 INFO L85 PathProgramCache]: Analyzing trace with hash -586442315, now seen corresponding path program 7 times [2021-12-14 16:39:02,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:39:02,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924896511] [2021-12-14 16:39:02,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:39:02,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:39:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:39:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:39:02,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:39:02,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924896511] [2021-12-14 16:39:02,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924896511] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:39:02,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:39:02,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-14 16:39:02,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874339952] [2021-12-14 16:39:02,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:39:02,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-14 16:39:02,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:39:02,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-14 16:39:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-14 16:39:02,839 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 119 [2021-12-14 16:39:02,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 148 transitions, 872 flow. Second operand has 15 states, 15 states have (on average 86.0) internal successors, (1290), 15 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:39:02,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:39:02,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 119 [2021-12-14 16:39:02,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:39:03,424 INFO L129 PetriNetUnfolder]: 197/1323 cut-off events. [2021-12-14 16:39:03,424 INFO L130 PetriNetUnfolder]: For 2912/2960 co-relation queries the response was YES. [2021-12-14 16:39:03,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3934 conditions, 1323 events. 197/1323 cut-off events. For 2912/2960 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 12542 event pairs, 13 based on Foata normal form. 4/1251 useless extension candidates. Maximal degree in co-relation 3898. Up to 138 conditions per place. [2021-12-14 16:39:03,433 INFO L132 encePairwiseOnDemand]: 107/119 looper letters, 0 selfloop transitions, 0 changer transitions 160/160 dead transitions. [2021-12-14 16:39:03,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 160 transitions, 1191 flow [2021-12-14 16:39:03,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-14 16:39:03,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-14 16:39:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1225 transitions. [2021-12-14 16:39:03,434 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7352941176470589 [2021-12-14 16:39:03,434 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1225 transitions. [2021-12-14 16:39:03,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1225 transitions. [2021-12-14 16:39:03,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:39:03,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1225 transitions. [2021-12-14 16:39:03,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 87.5) internal successors, (1225), 14 states have internal predecessors, (1225), 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) [2021-12-14 16:39:03,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 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) [2021-12-14 16:39:03,437 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 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) [2021-12-14 16:39:03,437 INFO L186 Difference]: Start difference. First operand has 194 places, 148 transitions, 872 flow. Second operand 14 states and 1225 transitions. [2021-12-14 16:39:03,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 160 transitions, 1191 flow [2021-12-14 16:39:03,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 160 transitions, 1134 flow, removed 15 selfloop flow, removed 9 redundant places. [2021-12-14 16:39:03,452 INFO L242 Difference]: Finished difference. Result has 191 places, 0 transitions, 0 flow [2021-12-14 16:39:03,452 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=0, PETRI_PLACES=191, PETRI_TRANSITIONS=0} [2021-12-14 16:39:03,453 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 67 predicate places. [2021-12-14 16:39:03,453 INFO L470 AbstractCegarLoop]: Abstraction has has 191 places, 0 transitions, 0 flow [2021-12-14 16:39:03,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 86.0) internal successors, (1290), 15 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:39:03,455 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-12-14 16:39:03,455 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-12-14 16:39:03,455 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-12-14 16:39:03,455 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-12-14 16:39:03,455 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-12-14 16:39:03,456 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-12-14 16:39:03,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-14 16:39:03,458 INFO L732 BasicCegarLoop]: Path program histogram: [7, 3, 2, 2, 1, 1, 1, 1] [2021-12-14 16:39:03,461 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-14 16:39:03,461 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-14 16:39:03,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:39:03 BasicIcfg [2021-12-14 16:39:03,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 16:39:03,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 16:39:03,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 16:39:03,464 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 16:39:03,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:38:38" (3/4) ... [2021-12-14 16:39:03,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-14 16:39:03,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-12-14 16:39:03,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-12-14 16:39:03,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-12-14 16:39:03,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2021-12-14 16:39:03,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2021-12-14 16:39:03,485 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-12-14 16:39:03,485 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-14 16:39:03,557 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 16:39:03,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 16:39:03,558 INFO L158 Benchmark]: Toolchain (without parser) took 27533.39ms. Allocated memory was 109.1MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 79.5MB in the beginning and 874.8MB in the end (delta: -795.3MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2021-12-14 16:39:03,558 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 16:39:03,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.95ms. Allocated memory is still 109.1MB. Free memory was 79.3MB in the beginning and 67.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 16:39:03,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.26ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 63.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-14 16:39:03,559 INFO L158 Benchmark]: Boogie Preprocessor took 31.16ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 60.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-14 16:39:03,559 INFO L158 Benchmark]: RCFGBuilder took 1361.18ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 60.0MB in the beginning and 63.9MB in the end (delta: -3.9MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2021-12-14 16:39:03,559 INFO L158 Benchmark]: TraceAbstraction took 25456.57ms. Allocated memory was 144.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 62.9MB in the beginning and 890.6MB in the end (delta: -827.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-12-14 16:39:03,560 INFO L158 Benchmark]: Witness Printer took 93.88ms. Allocated memory is still 2.3GB. Free memory was 890.6MB in the beginning and 875.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-14 16:39:03,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.95ms. Allocated memory is still 109.1MB. Free memory was 79.3MB in the beginning and 67.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.26ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 63.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.16ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 60.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1361.18ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 60.0MB in the beginning and 63.9MB in the end (delta: -3.9MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * TraceAbstraction took 25456.57ms. Allocated memory was 144.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 62.9MB in the beginning and 890.6MB in the end (delta: -827.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 93.88ms. Allocated memory is still 2.3GB. Free memory was 890.6MB in the beginning and 875.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 149 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 25.3s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1190 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1190 mSDsluCounter, 1438 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2200 mSDsCounter, 760 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5364 IncrementalHoareTripleChecker+Invalid, 6124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 760 mSolverCounterUnsat, 219 mSDtfsCounter, 5364 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 338 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 298 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 944 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1318occurred in iteration=15, InterpolantAutomatonStates: 236, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1532 NumberOfCodeBlocks, 1532 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1514 ConstructedInterpolants, 0 QuantifiedInterpolants, 9915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-12-14 16:39:03,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE