./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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/goblint-regression/28-race_reach_91-arrayloop2_racefree.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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:39:42,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:39:42,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:39:42,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:39:42,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:39:42,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:39:42,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:39:42,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:39:42,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:39:42,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:39:42,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:39:42,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:39:42,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:39:42,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:39:42,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:39:42,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:39:42,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:39:42,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:39:42,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:39:42,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:39:42,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:39:42,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:39:42,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:39:42,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:39:42,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:39:42,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:39:42,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:39:42,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:39:42,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:39:42,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:39:42,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:39:42,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:39:42,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:39:42,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:39:42,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:39:42,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:39:42,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:39:42,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:39:42,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:39:42,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:39:42,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:39:42,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 13:39:42,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:39:42,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:39:42,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:39:42,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:39:42,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:39:42,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:39:42,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:39:42,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:39:42,611 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:39:42,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:39:42,612 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 13:39:42,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 13:39:42,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 13:39:42,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:39:42,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:39:42,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:39:42,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:39:42,613 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 13:39:42,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:39:42,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:39:42,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:39:42,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:39:42,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:39:42,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:39:42,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:39:42,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:39:42,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:39:42,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:39:42,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 13:39:42,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 13:39:42,615 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:39:42,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:39:42,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:39:42,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:39:42,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2021-12-22 13:39:42,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:39:42,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:39:42,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:39:42,841 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:39:42,841 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:39:42,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2021-12-22 13:39:42,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14dd62133/18a528bd055c4b859eb89d54d523e0be/FLAG24326ef05 [2021-12-22 13:39:43,389 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:39:43,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2021-12-22 13:39:43,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14dd62133/18a528bd055c4b859eb89d54d523e0be/FLAG24326ef05 [2021-12-22 13:39:43,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14dd62133/18a528bd055c4b859eb89d54d523e0be [2021-12-22 13:39:43,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:39:43,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:39:43,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:39:43,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:39:43,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:39:43,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:39:43" (1/1) ... [2021-12-22 13:39:43,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d60d54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:43, skipping insertion in model container [2021-12-22 13:39:43,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:39:43" (1/1) ... [2021-12-22 13:39:43,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:39:43,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:39:44,251 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/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2021-12-22 13:39:44,262 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-22 13:39:44,263 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-22 13:39:44,263 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-22 13:39:44,264 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-22 13:39:44,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:39:44,304 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 13:39:44,342 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/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2021-12-22 13:39:44,350 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-22 13:39:44,351 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-22 13:39:44,352 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-22 13:39:44,352 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-22 13:39:44,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:39:44,399 INFO L208 MainTranslator]: Completed translation [2021-12-22 13:39:44,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44 WrapperNode [2021-12-22 13:39:44,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:39:44,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 13:39:44,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 13:39:44,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 13:39:44,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,469 INFO L137 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2021-12-22 13:39:44,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 13:39:44,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 13:39:44,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 13:39:44,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 13:39:44,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 13:39:44,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 13:39:44,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 13:39:44,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 13:39:44,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (1/1) ... [2021-12-22 13:39:44,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:39:44,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:39:44,541 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) [2021-12-22 13:39:44,564 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 [2021-12-22 13:39:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 13:39:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 13:39:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 13:39:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 13:39:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 13:39:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-22 13:39:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 13:39:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 13:39:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 13:39:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-22 13:39:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-22 13:39:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 13:39:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 13:39:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 13:39:44,584 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-22 13:39:44,668 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 13:39:44,670 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 13:39:44,974 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 13:39:44,980 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 13:39:44,980 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-22 13:39:44,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:39:44 BoogieIcfgContainer [2021-12-22 13:39:44,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 13:39:44,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 13:39:44,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 13:39:44,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 13:39:44,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:39:43" (1/3) ... [2021-12-22 13:39:44,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f7f5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:39:44, skipping insertion in model container [2021-12-22 13:39:44,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:39:44" (2/3) ... [2021-12-22 13:39:44,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f7f5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:39:44, skipping insertion in model container [2021-12-22 13:39:44,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:39:44" (3/3) ... [2021-12-22 13:39:44,994 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2021-12-22 13:39:44,998 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-22 13:39:44,999 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 13:39:44,999 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 13:39:44,999 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-22 13:39:45,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:39:45,146 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-22 13:39:45,187 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 13:39:45,194 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 [2021-12-22 13:39:45,194 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 13:39:45,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 177 places, 198 transitions, 404 flow [2021-12-22 13:39:45,248 INFO L129 PetriNetUnfolder]: 26/215 cut-off events. [2021-12-22 13:39:45,248 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2021-12-22 13:39:45,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 215 events. 26/215 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 522 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 111. Up to 4 conditions per place. [2021-12-22 13:39:45,253 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 198 transitions, 404 flow [2021-12-22 13:39:45,264 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 173 places, 193 transitions, 391 flow [2021-12-22 13:39:45,276 INFO L129 PetriNetUnfolder]: 8/99 cut-off events. [2021-12-22 13:39:45,277 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-22 13:39:45,278 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:39:45,278 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:39:45,279 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:39:45,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:39:45,285 INFO L85 PathProgramCache]: Analyzing trace with hash -2139432213, now seen corresponding path program 1 times [2021-12-22 13:39:45,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:39:45,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023877044] [2021-12-22 13:39:45,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:39:45,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:39:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:39:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-22 13:39:45,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:39:45,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023877044] [2021-12-22 13:39:45,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023877044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:39:45,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:39:45,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 13:39:45,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912392742] [2021-12-22 13:39:45,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:39:45,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 13:39:45,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:39:45,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 13:39:45,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 13:39:45,532 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 198 [2021-12-22 13:39:45,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 193 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:39:45,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 198 [2021-12-22 13:39:45,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:39:45,605 INFO L129 PetriNetUnfolder]: 6/239 cut-off events. [2021-12-22 13:39:45,605 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-22 13:39:45,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 239 events. 6/239 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 580 event pairs, 0 based on Foata normal form. 20/247 useless extension candidates. Maximal degree in co-relation 160. Up to 12 conditions per place. [2021-12-22 13:39:45,607 INFO L132 encePairwiseOnDemand]: 177/198 looper letters, 16 selfloop transitions, 2 changer transitions 0/181 dead transitions. [2021-12-22 13:39:45,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 181 transitions, 403 flow [2021-12-22 13:39:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 13:39:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-22 13:39:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2021-12-22 13:39:45,621 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9090909090909091 [2021-12-22 13:39:45,621 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 540 transitions. [2021-12-22 13:39:45,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 540 transitions. [2021-12-22 13:39:45,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:39:45,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 540 transitions. [2021-12-22 13:39:45,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,633 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,635 INFO L186 Difference]: Start difference. First operand has 173 places, 193 transitions, 391 flow. Second operand 3 states and 540 transitions. [2021-12-22 13:39:45,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 181 transitions, 403 flow [2021-12-22 13:39:45,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 181 transitions, 403 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-22 13:39:45,641 INFO L242 Difference]: Finished difference. Result has 175 places, 175 transitions, 365 flow [2021-12-22 13:39:45,643 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=365, PETRI_PLACES=175, PETRI_TRANSITIONS=175} [2021-12-22 13:39:45,645 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 2 predicate places. [2021-12-22 13:39:45,646 INFO L470 AbstractCegarLoop]: Abstraction has has 175 places, 175 transitions, 365 flow [2021-12-22 13:39:45,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,646 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:39:45,646 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:39:45,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 13:39:45,647 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:39:45,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:39:45,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1418231055, now seen corresponding path program 1 times [2021-12-22 13:39:45,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:39:45,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110550292] [2021-12-22 13:39:45,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:39:45,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:39:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:39:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-22 13:39:45,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:39:45,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110550292] [2021-12-22 13:39:45,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110550292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:39:45,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:39:45,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 13:39:45,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199742580] [2021-12-22 13:39:45,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:39:45,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 13:39:45,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:39:45,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 13:39:45,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 13:39:45,702 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 198 [2021-12-22 13:39:45,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 175 transitions, 365 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:39:45,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 198 [2021-12-22 13:39:45,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:39:45,751 INFO L129 PetriNetUnfolder]: 6/311 cut-off events. [2021-12-22 13:39:45,751 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-22 13:39:45,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 311 events. 6/311 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 580 event pairs, 0 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 241. Up to 15 conditions per place. [2021-12-22 13:39:45,753 INFO L132 encePairwiseOnDemand]: 195/198 looper letters, 10 selfloop transitions, 2 changer transitions 0/179 dead transitions. [2021-12-22 13:39:45,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 179 transitions, 397 flow [2021-12-22 13:39:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 13:39:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-22 13:39:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2021-12-22 13:39:45,755 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8804713804713805 [2021-12-22 13:39:45,755 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2021-12-22 13:39:45,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2021-12-22 13:39:45,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:39:45,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2021-12-22 13:39:45,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,760 INFO L186 Difference]: Start difference. First operand has 175 places, 175 transitions, 365 flow. Second operand 3 states and 523 transitions. [2021-12-22 13:39:45,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 179 transitions, 397 flow [2021-12-22 13:39:45,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 179 transitions, 395 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-22 13:39:45,769 INFO L242 Difference]: Finished difference. Result has 177 places, 176 transitions, 375 flow [2021-12-22 13:39:45,770 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=177, PETRI_TRANSITIONS=176} [2021-12-22 13:39:45,770 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 4 predicate places. [2021-12-22 13:39:45,771 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 176 transitions, 375 flow [2021-12-22 13:39:45,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:45,771 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:39:45,772 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:39:45,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 13:39:45,772 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:39:45,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:39:45,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1044558726, now seen corresponding path program 1 times [2021-12-22 13:39:45,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:39:45,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297354820] [2021-12-22 13:39:45,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:39:45,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:39:45,797 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 13:39:45,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242138083] [2021-12-22 13:39:45,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:39:45,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:39:45,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:39:45,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:39:45,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 13:39:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:39:45,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 13:39:45,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:39:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-22 13:39:46,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:39:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-22 13:39:46,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:39:46,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297354820] [2021-12-22 13:39:46,201 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-22 13:39:46,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242138083] [2021-12-22 13:39:46,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242138083] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:39:46,201 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-22 13:39:46,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-22 13:39:46,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276035045] [2021-12-22 13:39:46,202 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-22 13:39:46,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 13:39:46,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:39:46,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 13:39:46,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-22 13:39:46,212 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 198 [2021-12-22 13:39:46,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 176 transitions, 375 flow. Second operand has 8 states, 8 states have (on average 171.0) internal successors, (1368), 8 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:46,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:39:46,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 198 [2021-12-22 13:39:46,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:39:46,288 INFO L129 PetriNetUnfolder]: 6/389 cut-off events. [2021-12-22 13:39:46,288 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-22 13:39:46,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 452 conditions, 389 events. 6/389 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 381 event pairs, 0 based on Foata normal form. 4/384 useless extension candidates. Maximal degree in co-relation 346. Up to 10 conditions per place. [2021-12-22 13:39:46,289 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 11 selfloop transitions, 9 changer transitions 0/186 dead transitions. [2021-12-22 13:39:46,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 186 transitions, 437 flow [2021-12-22 13:39:46,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 13:39:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-22 13:39:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1543 transitions. [2021-12-22 13:39:46,292 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8658810325476992 [2021-12-22 13:39:46,293 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1543 transitions. [2021-12-22 13:39:46,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1543 transitions. [2021-12-22 13:39:46,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:39:46,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1543 transitions. [2021-12-22 13:39:46,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 171.44444444444446) internal successors, (1543), 9 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:46,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 198.0) internal successors, (1980), 10 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:46,299 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 198.0) internal successors, (1980), 10 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:46,299 INFO L186 Difference]: Start difference. First operand has 177 places, 176 transitions, 375 flow. Second operand 9 states and 1543 transitions. [2021-12-22 13:39:46,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 186 transitions, 437 flow [2021-12-22 13:39:46,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 186 transitions, 435 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-22 13:39:46,303 INFO L242 Difference]: Finished difference. Result has 187 places, 182 transitions, 423 flow [2021-12-22 13:39:46,303 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=423, PETRI_PLACES=187, PETRI_TRANSITIONS=182} [2021-12-22 13:39:46,304 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 14 predicate places. [2021-12-22 13:39:46,304 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 182 transitions, 423 flow [2021-12-22 13:39:46,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 171.0) internal successors, (1368), 8 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:46,305 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:39:46,305 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:39:46,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 13:39:46,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:39:46,522 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:39:46,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:39:46,523 INFO L85 PathProgramCache]: Analyzing trace with hash -164053402, now seen corresponding path program 2 times [2021-12-22 13:39:46,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:39:46,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091005974] [2021-12-22 13:39:46,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:39:46,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:39:46,552 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 13:39:46,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476817951] [2021-12-22 13:39:46,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 13:39:46,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:39:46,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:39:46,554 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:39:46,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 13:39:46,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 13:39:46,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:39:46,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-22 13:39:46,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:39:46,986 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-22 13:39:46,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:39:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-22 13:39:47,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:39:47,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091005974] [2021-12-22 13:39:47,274 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-22 13:39:47,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476817951] [2021-12-22 13:39:47,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476817951] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:39:47,275 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-22 13:39:47,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-22 13:39:47,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56536017] [2021-12-22 13:39:47,275 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-22 13:39:47,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-22 13:39:47,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:39:47,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-22 13:39:47,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-22 13:39:47,278 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 198 [2021-12-22 13:39:47,280 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 182 transitions, 423 flow. Second operand has 16 states, 16 states have (on average 171.25) internal successors, (2740), 16 states have internal predecessors, (2740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:47,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:39:47,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 198 [2021-12-22 13:39:47,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:39:47,494 INFO L129 PetriNetUnfolder]: 6/685 cut-off events. [2021-12-22 13:39:47,494 INFO L130 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2021-12-22 13:39:47,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 685 events. 6/685 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 381 event pairs, 0 based on Foata normal form. 8/684 useless extension candidates. Maximal degree in co-relation 776. Up to 22 conditions per place. [2021-12-22 13:39:47,496 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 19 selfloop transitions, 21 changer transitions 0/206 dead transitions. [2021-12-22 13:39:47,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 206 transitions, 611 flow [2021-12-22 13:39:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-22 13:39:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-22 13:39:47,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3593 transitions. [2021-12-22 13:39:47,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8641173641173642 [2021-12-22 13:39:47,502 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3593 transitions. [2021-12-22 13:39:47,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3593 transitions. [2021-12-22 13:39:47,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:39:47,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3593 transitions. [2021-12-22 13:39:47,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 171.0952380952381) internal successors, (3593), 21 states have internal predecessors, (3593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:47,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 198.0) internal successors, (4356), 22 states have internal predecessors, (4356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:47,517 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 198.0) internal successors, (4356), 22 states have internal predecessors, (4356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:47,517 INFO L186 Difference]: Start difference. First operand has 187 places, 182 transitions, 423 flow. Second operand 21 states and 3593 transitions. [2021-12-22 13:39:47,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 206 transitions, 611 flow [2021-12-22 13:39:47,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 206 transitions, 597 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-12-22 13:39:47,523 INFO L242 Difference]: Finished difference. Result has 211 places, 195 transitions, 547 flow [2021-12-22 13:39:47,524 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=547, PETRI_PLACES=211, PETRI_TRANSITIONS=195} [2021-12-22 13:39:47,525 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 38 predicate places. [2021-12-22 13:39:47,525 INFO L470 AbstractCegarLoop]: Abstraction has has 211 places, 195 transitions, 547 flow [2021-12-22 13:39:47,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 171.25) internal successors, (2740), 16 states have internal predecessors, (2740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:47,526 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:39:47,526 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:39:47,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 13:39:47,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-22 13:39:47,732 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:39:47,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:39:47,732 INFO L85 PathProgramCache]: Analyzing trace with hash -661287898, now seen corresponding path program 3 times [2021-12-22 13:39:47,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:39:47,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018382050] [2021-12-22 13:39:47,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:39:47,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:39:47,765 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 13:39:47,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [459430970] [2021-12-22 13:39:47,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-22 13:39:47,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:39:47,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:39:47,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:39:47,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 13:39:47,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-22 13:39:47,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:39:47,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 13:39:47,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:39:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-12-22 13:39:48,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:39:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-12-22 13:39:48,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:39:48,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018382050] [2021-12-22 13:39:48,878 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-22 13:39:48,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459430970] [2021-12-22 13:39:48,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459430970] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:39:48,879 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-22 13:39:48,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-22 13:39:48,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946320023] [2021-12-22 13:39:48,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-22 13:39:48,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 13:39:48,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:39:48,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 13:39:48,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-22 13:39:48,882 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 198 [2021-12-22 13:39:48,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 195 transitions, 547 flow. Second operand has 8 states, 8 states have (on average 168.75) internal successors, (1350), 8 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:48,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:39:48,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 198 [2021-12-22 13:39:48,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:39:49,056 INFO L129 PetriNetUnfolder]: 7/961 cut-off events. [2021-12-22 13:39:49,056 INFO L130 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2021-12-22 13:39:49,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1296 conditions, 961 events. 7/961 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 164 event pairs, 0 based on Foata normal form. 2/954 useless extension candidates. Maximal degree in co-relation 1183. Up to 33 conditions per place. [2021-12-22 13:39:49,059 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 20 selfloop transitions, 9 changer transitions 0/211 dead transitions. [2021-12-22 13:39:49,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 211 transitions, 639 flow [2021-12-22 13:39:49,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 13:39:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-22 13:39:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1525 transitions. [2021-12-22 13:39:49,062 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8557800224466892 [2021-12-22 13:39:49,062 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1525 transitions. [2021-12-22 13:39:49,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1525 transitions. [2021-12-22 13:39:49,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:39:49,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1525 transitions. [2021-12-22 13:39:49,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 169.44444444444446) internal successors, (1525), 9 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:49,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 198.0) internal successors, (1980), 10 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:49,068 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 198.0) internal successors, (1980), 10 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:49,068 INFO L186 Difference]: Start difference. First operand has 211 places, 195 transitions, 547 flow. Second operand 9 states and 1525 transitions. [2021-12-22 13:39:49,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 211 transitions, 639 flow [2021-12-22 13:39:49,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 211 transitions, 615 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-12-22 13:39:49,073 INFO L242 Difference]: Finished difference. Result has 216 places, 201 transitions, 573 flow [2021-12-22 13:39:49,073 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=573, PETRI_PLACES=216, PETRI_TRANSITIONS=201} [2021-12-22 13:39:49,074 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 43 predicate places. [2021-12-22 13:39:49,074 INFO L470 AbstractCegarLoop]: Abstraction has has 216 places, 201 transitions, 573 flow [2021-12-22 13:39:49,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.75) internal successors, (1350), 8 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:49,075 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:39:49,075 INFO L254 CegarLoopForPetriNet]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:39:49,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-22 13:39:49,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:39:49,291 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:39:49,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:39:49,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1711580474, now seen corresponding path program 4 times [2021-12-22 13:39:49,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:39:49,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903834506] [2021-12-22 13:39:49,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:39:49,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:39:49,378 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 13:39:49,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031981273] [2021-12-22 13:39:49,379 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-22 13:39:49,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:39:49,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:39:49,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:39:49,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-22 13:39:50,004 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-22 13:39:50,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:39:50,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 3370 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-22 13:39:50,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:39:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 7883 backedges. 0 proven. 5526 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2021-12-22 13:39:51,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:39:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 7883 backedges. 0 proven. 5526 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2021-12-22 13:39:52,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:39:52,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903834506] [2021-12-22 13:39:52,663 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-22 13:39:52,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031981273] [2021-12-22 13:39:52,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031981273] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:39:52,664 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-22 13:39:52,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-22 13:39:52,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883700571] [2021-12-22 13:39:52,664 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-22 13:39:52,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-22 13:39:52,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:39:52,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-22 13:39:52,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-22 13:39:52,667 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 198 [2021-12-22 13:39:52,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 201 transitions, 573 flow. Second operand has 16 states, 16 states have (on average 169.375) internal successors, (2710), 16 states have internal predecessors, (2710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:52,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:39:52,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 198 [2021-12-22 13:39:52,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:39:53,316 INFO L129 PetriNetUnfolder]: 11/2057 cut-off events. [2021-12-22 13:39:53,316 INFO L130 PetriNetUnfolder]: For 344/344 co-relation queries the response was YES. [2021-12-22 13:39:53,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2771 conditions, 2057 events. 11/2057 cut-off events. For 344/344 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 168 event pairs, 0 based on Foata normal form. 4/2052 useless extension candidates. Maximal degree in co-relation 2655. Up to 70 conditions per place. [2021-12-22 13:39:53,331 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 40 selfloop transitions, 21 changer transitions 0/243 dead transitions. [2021-12-22 13:39:53,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 243 transitions, 839 flow [2021-12-22 13:39:53,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-22 13:39:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-22 13:39:53,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3551 transitions. [2021-12-22 13:39:53,337 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.854016354016354 [2021-12-22 13:39:53,337 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3551 transitions. [2021-12-22 13:39:53,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3551 transitions. [2021-12-22 13:39:53,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:39:53,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3551 transitions. [2021-12-22 13:39:53,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 169.0952380952381) internal successors, (3551), 21 states have internal predecessors, (3551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:53,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 198.0) internal successors, (4356), 22 states have internal predecessors, (4356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:53,352 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 198.0) internal successors, (4356), 22 states have internal predecessors, (4356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:53,352 INFO L186 Difference]: Start difference. First operand has 216 places, 201 transitions, 573 flow. Second operand 21 states and 3551 transitions. [2021-12-22 13:39:53,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 243 transitions, 839 flow [2021-12-22 13:39:53,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 243 transitions, 825 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-12-22 13:39:53,358 INFO L242 Difference]: Finished difference. Result has 240 places, 214 transitions, 697 flow [2021-12-22 13:39:53,358 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=697, PETRI_PLACES=240, PETRI_TRANSITIONS=214} [2021-12-22 13:39:53,360 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 67 predicate places. [2021-12-22 13:39:53,360 INFO L470 AbstractCegarLoop]: Abstraction has has 240 places, 214 transitions, 697 flow [2021-12-22 13:39:53,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 169.375) internal successors, (2710), 16 states have internal predecessors, (2710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:39:53,361 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:39:53,362 INFO L254 CegarLoopForPetriNet]: trace histogram [49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:39:53,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-22 13:39:53,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:39:53,588 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:39:53,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:39:53,589 INFO L85 PathProgramCache]: Analyzing trace with hash -825884666, now seen corresponding path program 5 times [2021-12-22 13:39:53,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:39:53,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800361627] [2021-12-22 13:39:53,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:39:53,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:39:53,792 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 13:39:53,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [603301321] [2021-12-22 13:39:53,793 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-22 13:39:53,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:39:53,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:39:53,794 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:39:53,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process