./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 96f16385 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/ldv-races/race-3_2-container_of-global.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 f642aa2c8450a6773cb633057d1c74c446cbd236 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-96f1638 [2020-12-02 12:15:18,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 12:15:18,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 12:15:18,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 12:15:18,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 12:15:18,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 12:15:18,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 12:15:18,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 12:15:18,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 12:15:18,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 12:15:18,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 12:15:18,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 12:15:18,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 12:15:18,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 12:15:18,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 12:15:18,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 12:15:18,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 12:15:18,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 12:15:18,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 12:15:18,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 12:15:18,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 12:15:18,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 12:15:18,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 12:15:18,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 12:15:18,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 12:15:18,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 12:15:18,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 12:15:18,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 12:15:18,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 12:15:18,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 12:15:18,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 12:15:18,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 12:15:18,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 12:15:18,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 12:15:18,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 12:15:18,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 12:15:18,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 12:15:18,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 12:15:18,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 12:15:18,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 12:15:18,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 12:15:18,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 12:15:18,625 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 12:15:18,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 12:15:18,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 12:15:18,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 12:15:18,631 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 12:15:18,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 12:15:18,631 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 12:15:18,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 12:15:18,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 12:15:18,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 12:15:18,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 12:15:18,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 12:15:18,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 12:15:18,635 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 12:15:18,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 12:15:18,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 12:15:18,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 12:15:18,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 12:15:18,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 12:15:18,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 12:15:18,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 12:15:18,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:15:18,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 12:15:18,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 12:15:18,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 12:15:18,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 12:15:18,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 12:15:18,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 12:15:18,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 12:15:18,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f642aa2c8450a6773cb633057d1c74c446cbd236 [2020-12-02 12:15:19,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 12:15:19,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 12:15:19,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 12:15:19,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 12:15:19,152 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 12:15:19,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2020-12-02 12:15:19,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2988682bd/1ccbfe3b61b54bccaa9f88f0d5f78ce6/FLAGb40a8d761 [2020-12-02 12:15:20,169 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 12:15:20,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2020-12-02 12:15:20,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2988682bd/1ccbfe3b61b54bccaa9f88f0d5f78ce6/FLAGb40a8d761 [2020-12-02 12:15:20,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2988682bd/1ccbfe3b61b54bccaa9f88f0d5f78ce6 [2020-12-02 12:15:20,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 12:15:20,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 12:15:20,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 12:15:20,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 12:15:20,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 12:15:20,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:15:20" (1/1) ... [2020-12-02 12:15:20,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5bb417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:20, skipping insertion in model container [2020-12-02 12:15:20,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:15:20" (1/1) ... [2020-12-02 12:15:20,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 12:15:20,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 12:15:20,547 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-02 12:15:21,039 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2020-12-02 12:15:21,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 12:15:21,081 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 12:15:21,095 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-02 12:15:21,129 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2020-12-02 12:15:21,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 12:15:21,497 INFO L208 MainTranslator]: Completed translation [2020-12-02 12:15:21,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21 WrapperNode [2020-12-02 12:15:21,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 12:15:21,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 12:15:21,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 12:15:21,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 12:15:21,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... [2020-12-02 12:15:21,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... [2020-12-02 12:15:21,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 12:15:21,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 12:15:21,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 12:15:21,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 12:15:21,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... [2020-12-02 12:15:21,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... [2020-12-02 12:15:21,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... [2020-12-02 12:15:21,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... [2020-12-02 12:15:21,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... [2020-12-02 12:15:21,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... [2020-12-02 12:15:21,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... [2020-12-02 12:15:21,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 12:15:21,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 12:15:21,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 12:15:21,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 12:15:21,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:15:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-02 12:15:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 12:15:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-02 12:15:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 12:15:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-02 12:15:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 12:15:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 12:15:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-12-02 12:15:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-12-02 12:15:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 12:15:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 12:15:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 12:15:21,751 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-02 12:15:22,476 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 12:15:22,477 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-02 12:15:22,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:15:22 BoogieIcfgContainer [2020-12-02 12:15:22,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 12:15:22,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 12:15:22,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 12:15:22,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 12:15:22,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:15:20" (1/3) ... [2020-12-02 12:15:22,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e91cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:15:22, skipping insertion in model container [2020-12-02 12:15:22,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:21" (2/3) ... [2020-12-02 12:15:22,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e91cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:15:22, skipping insertion in model container [2020-12-02 12:15:22,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:15:22" (3/3) ... [2020-12-02 12:15:22,489 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2020-12-02 12:15:22,505 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-02 12:15:22,506 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 12:15:22,510 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-02 12:15:22,511 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-02 12:15:22,549 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,550 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,550 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,550 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,551 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,551 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,551 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,552 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,552 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,552 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,552 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,553 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,553 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,553 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,554 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,554 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,554 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,555 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,555 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,555 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,555 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,556 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,556 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,556 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,556 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,557 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,557 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,557 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,558 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,558 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,558 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,558 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,559 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,559 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,559 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,559 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,560 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,560 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,560 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,561 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,561 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,561 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,562 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,562 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,562 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,562 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,563 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,563 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,563 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,564 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,564 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,564 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,564 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,565 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,565 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,565 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,565 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,569 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,569 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,569 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,571 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,572 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,574 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,574 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,575 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,575 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,577 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,578 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,578 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,579 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,579 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,579 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,579 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,580 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,583 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,584 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,584 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,584 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,584 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,586 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 12:15:22,600 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-02 12:15:22,619 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-02 12:15:22,644 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 12:15:22,644 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 12:15:22,644 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 12:15:22,644 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 12:15:22,645 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 12:15:22,645 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 12:15:22,645 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 12:15:22,645 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 12:15:22,663 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-02 12:15:22,665 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 156 transitions, 334 flow [2020-12-02 12:15:22,669 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 156 transitions, 334 flow [2020-12-02 12:15:22,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 156 transitions, 334 flow [2020-12-02 12:15:22,767 INFO L129 PetriNetUnfolder]: 11/196 cut-off events. [2020-12-02 12:15:22,768 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-12-02 12:15:22,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 196 events. 11/196 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 358 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 111. Up to 4 conditions per place. [2020-12-02 12:15:22,788 INFO L116 LiptonReduction]: Number of co-enabled transitions 1836 [2020-12-02 12:15:24,199 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:24,226 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:24,233 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:24,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:24,257 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:24,258 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-12-02 12:15:24,280 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:24,306 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:24,314 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:24,339 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:24,342 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:24,343 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-12-02 12:15:26,794 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:26,830 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:26,838 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:26,868 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:26,871 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:26,872 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:108, output treesize:110 [2020-12-02 12:15:26,893 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:26,933 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:26,940 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:26,972 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:26,975 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:26,975 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-12-02 12:15:29,266 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:29,307 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:29,315 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:29,348 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:29,351 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:29,351 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-12-02 12:15:29,371 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:29,411 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:29,418 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:29,454 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:29,456 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:29,457 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:108, output treesize:110 [2020-12-02 12:15:32,168 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:32,200 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:32,208 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:32,232 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:32,237 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:32,238 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-12-02 12:15:32,255 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:32,284 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:32,294 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:32,318 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:32,321 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:32,322 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-12-02 12:15:34,347 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:34,373 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:34,382 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:34,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:34,400 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:34,401 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-12-02 12:15:34,418 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:34,441 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:34,446 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:34,464 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:34,466 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:34,466 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-12-02 12:15:36,538 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:36,564 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:36,570 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:36,613 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:36,615 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:36,615 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-12-02 12:15:36,634 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:36,658 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:36,664 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:36,684 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:36,687 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:36,687 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-12-02 12:15:39,058 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:39,082 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:39,089 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:39,111 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:39,113 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:39,113 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-12-02 12:15:39,131 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:39,156 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:39,162 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:39,183 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:39,185 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:39,186 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-12-02 12:15:41,515 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:41,546 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:41,554 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:41,582 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:41,584 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:41,584 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-12-02 12:15:41,603 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:41,635 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:41,641 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:41,670 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:41,671 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:41,672 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-12-02 12:15:43,979 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:44,011 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:44,016 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:44,044 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:44,046 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:44,046 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-12-02 12:15:44,060 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:44,092 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:44,098 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:44,125 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:44,127 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:44,127 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-12-02 12:15:47,318 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:47,357 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:47,364 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:47,393 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:47,395 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:47,396 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:124 [2020-12-02 12:15:47,415 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:47,450 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:47,456 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:47,487 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:47,490 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:47,490 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:126 [2020-12-02 12:15:49,535 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:49,565 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:49,571 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:49,599 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:49,601 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:49,602 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:120, output treesize:122 [2020-12-02 12:15:49,618 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:49,651 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:49,656 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:49,681 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 12:15:49,683 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 12:15:49,683 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-12-02 12:15:52,191 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-02 12:15:52,296 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-02 12:15:52,411 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-02 12:15:52,537 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-02 12:15:53,046 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-02 12:15:53,211 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-02 12:15:53,394 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-02 12:15:53,599 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-02 12:15:54,180 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-02 12:15:54,438 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-12-02 12:15:54,829 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-12-02 12:15:55,364 WARN L197 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-12-02 12:15:55,538 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-02 12:15:55,977 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-12-02 12:15:56,185 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-12-02 12:15:56,389 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-12-02 12:15:56,492 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-02 12:15:56,779 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-12-02 12:15:56,916 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-02 12:15:57,354 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2020-12-02 12:15:57,524 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-02 12:15:57,951 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2020-12-02 12:15:58,140 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-02 12:15:59,425 WARN L197 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 163 [2020-12-02 12:16:00,617 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 157 [2020-12-02 12:16:01,949 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 169 [2020-12-02 12:16:03,228 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 163 [2020-12-02 12:16:03,691 WARN L197 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-12-02 12:16:04,164 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-12-02 12:16:04,750 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-12-02 12:16:05,327 WARN L197 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-12-02 12:16:05,336 INFO L131 LiptonReduction]: Checked pairs total: 4033 [2020-12-02 12:16:05,336 INFO L133 LiptonReduction]: Total number of compositions: 175 [2020-12-02 12:16:05,347 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 36 transitions, 94 flow [2020-12-02 12:16:05,367 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 209 states. [2020-12-02 12:16:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-12-02 12:16:05,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-12-02 12:16:05,376 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 12:16:05,377 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-12-02 12:16:05,379 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 12:16:05,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 12:16:05,392 INFO L82 PathProgramCache]: Analyzing trace with hash 572, now seen corresponding path program 1 times [2020-12-02 12:16:05,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 12:16:05,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750309157] [2020-12-02 12:16:05,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 12:16:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 12:16:05,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 12:16:05,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750309157] [2020-12-02 12:16:05,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 12:16:05,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-12-02 12:16:05,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907102698] [2020-12-02 12:16:05,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 12:16:05,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 12:16:05,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 12:16:05,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 12:16:05,760 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 2 states. [2020-12-02 12:16:05,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 12:16:05,795 INFO L93 Difference]: Finished difference Result 207 states and 457 transitions. [2020-12-02 12:16:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 12:16:05,796 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-12-02 12:16:05,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 12:16:05,809 INFO L225 Difference]: With dead ends: 207 [2020-12-02 12:16:05,809 INFO L226 Difference]: Without dead ends: 189 [2020-12-02 12:16:05,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 12:16:05,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-12-02 12:16:05,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-12-02 12:16:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-12-02 12:16:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 415 transitions. [2020-12-02 12:16:05,870 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 415 transitions. Word has length 1 [2020-12-02 12:16:05,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 12:16:05,870 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 415 transitions. [2020-12-02 12:16:05,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 12:16:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 415 transitions. [2020-12-02 12:16:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-02 12:16:05,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 12:16:05,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-02 12:16:05,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 12:16:05,872 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 12:16:05,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 12:16:05,873 INFO L82 PathProgramCache]: Analyzing trace with hash 17588937, now seen corresponding path program 1 times [2020-12-02 12:16:05,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 12:16:05,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080752873] [2020-12-02 12:16:05,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 12:16:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 12:16:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 12:16:06,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080752873] [2020-12-02 12:16:06,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 12:16:06,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 12:16:06,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832803475] [2020-12-02 12:16:06,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 12:16:06,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 12:16:06,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 12:16:06,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 12:16:06,133 INFO L87 Difference]: Start difference. First operand 189 states and 415 transitions. Second operand 3 states. [2020-12-02 12:16:06,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 12:16:06,248 INFO L93 Difference]: Finished difference Result 262 states and 581 transitions. [2020-12-02 12:16:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 12:16:06,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-02 12:16:06,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 12:16:06,253 INFO L225 Difference]: With dead ends: 262 [2020-12-02 12:16:06,254 INFO L226 Difference]: Without dead ends: 262 [2020-12-02 12:16:06,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 12:16:06,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-12-02 12:16:06,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 217. [2020-12-02 12:16:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-12-02 12:16:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 485 transitions. [2020-12-02 12:16:06,283 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 485 transitions. Word has length 4 [2020-12-02 12:16:06,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 12:16:06,283 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 485 transitions. [2020-12-02 12:16:06,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 12:16:06,283 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 485 transitions. [2020-12-02 12:16:06,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-02 12:16:06,284 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 12:16:06,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-02 12:16:06,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 12:16:06,285 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 12:16:06,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 12:16:06,286 INFO L82 PathProgramCache]: Analyzing trace with hash -276933705, now seen corresponding path program 1 times [2020-12-02 12:16:06,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 12:16:06,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311843672] [2020-12-02 12:16:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 12:16:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 12:16:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 12:16:06,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311843672] [2020-12-02 12:16:06,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 12:16:06,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-02 12:16:06,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078971430] [2020-12-02 12:16:06,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-02 12:16:06,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 12:16:06,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-02 12:16:06,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-02 12:16:06,403 INFO L87 Difference]: Start difference. First operand 217 states and 485 transitions. Second operand 4 states. [2020-12-02 12:16:06,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 12:16:06,552 INFO L93 Difference]: Finished difference Result 290 states and 636 transitions. [2020-12-02 12:16:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 12:16:06,552 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-12-02 12:16:06,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 12:16:06,555 INFO L225 Difference]: With dead ends: 290 [2020-12-02 12:16:06,555 INFO L226 Difference]: Without dead ends: 251 [2020-12-02 12:16:06,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-02 12:16:06,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-12-02 12:16:06,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 236. [2020-12-02 12:16:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-02 12:16:06,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 542 transitions. [2020-12-02 12:16:06,574 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 542 transitions. Word has length 6 [2020-12-02 12:16:06,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 12:16:06,575 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 542 transitions. [2020-12-02 12:16:06,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-02 12:16:06,575 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 542 transitions. [2020-12-02 12:16:06,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 12:16:06,576 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 12:16:06,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 12:16:06,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-02 12:16:06,577 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 12:16:06,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 12:16:06,578 INFO L82 PathProgramCache]: Analyzing trace with hash -417920161, now seen corresponding path program 1 times [2020-12-02 12:16:06,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 12:16:06,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910531406] [2020-12-02 12:16:06,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 12:16:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 12:16:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 12:16:06,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910531406] [2020-12-02 12:16:06,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 12:16:06,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-02 12:16:06,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889335776] [2020-12-02 12:16:06,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 12:16:06,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 12:16:06,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 12:16:06,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 12:16:06,649 INFO L87 Difference]: Start difference. First operand 236 states and 542 transitions. Second operand 3 states. [2020-12-02 12:16:06,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 12:16:06,675 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2020-12-02 12:16:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 12:16:06,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-02 12:16:06,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 12:16:06,677 INFO L225 Difference]: With dead ends: 86 [2020-12-02 12:16:06,677 INFO L226 Difference]: Without dead ends: 86 [2020-12-02 12:16:06,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 12:16:06,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-12-02 12:16:06,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-12-02 12:16:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-12-02 12:16:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2020-12-02 12:16:06,685 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 9 [2020-12-02 12:16:06,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 12:16:06,687 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2020-12-02 12:16:06,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 12:16:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2020-12-02 12:16:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 12:16:06,694 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 12:16:06,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 12:16:06,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-02 12:16:06,695 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 12:16:06,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 12:16:06,697 INFO L82 PathProgramCache]: Analyzing trace with hash 316125018, now seen corresponding path program 1 times [2020-12-02 12:16:06,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 12:16:06,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337721864] [2020-12-02 12:16:06,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 12:16:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 12:16:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 12:16:07,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337721864] [2020-12-02 12:16:07,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 12:16:07,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-02 12:16:07,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194493528] [2020-12-02 12:16:07,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-02 12:16:07,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 12:16:07,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-02 12:16:07,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-12-02 12:16:07,474 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand 12 states. [2020-12-02 12:16:08,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 12:16:08,598 INFO L93 Difference]: Finished difference Result 144 states and 253 transitions. [2020-12-02 12:16:08,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-02 12:16:08,598 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-12-02 12:16:08,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 12:16:08,600 INFO L225 Difference]: With dead ends: 144 [2020-12-02 12:16:08,600 INFO L226 Difference]: Without dead ends: 144 [2020-12-02 12:16:08,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2020-12-02 12:16:08,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-12-02 12:16:08,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 109. [2020-12-02 12:16:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-12-02 12:16:08,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 202 transitions. [2020-12-02 12:16:08,607 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 202 transitions. Word has length 18 [2020-12-02 12:16:08,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 12:16:08,607 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 202 transitions. [2020-12-02 12:16:08,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-02 12:16:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2020-12-02 12:16:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 12:16:08,609 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 12:16:08,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 12:16:08,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-02 12:16:08,610 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 12:16:08,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 12:16:08,611 INFO L82 PathProgramCache]: Analyzing trace with hash 316124993, now seen corresponding path program 1 times [2020-12-02 12:16:08,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 12:16:08,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650009123] [2020-12-02 12:16:08,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 12:16:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 12:16:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 12:16:08,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650009123] [2020-12-02 12:16:08,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 12:16:08,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-02 12:16:08,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329372646] [2020-12-02 12:16:08,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 12:16:08,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 12:16:08,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 12:16:08,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-02 12:16:08,831 INFO L87 Difference]: Start difference. First operand 109 states and 202 transitions. Second operand 7 states. [2020-12-02 12:16:09,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 12:16:09,222 INFO L93 Difference]: Finished difference Result 168 states and 302 transitions. [2020-12-02 12:16:09,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 12:16:09,223 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-12-02 12:16:09,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 12:16:09,224 INFO L225 Difference]: With dead ends: 168 [2020-12-02 12:16:09,224 INFO L226 Difference]: Without dead ends: 147 [2020-12-02 12:16:09,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-02 12:16:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-12-02 12:16:09,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 105. [2020-12-02 12:16:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-02 12:16:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 194 transitions. [2020-12-02 12:16:09,230 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 194 transitions. Word has length 18 [2020-12-02 12:16:09,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 12:16:09,230 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 194 transitions. [2020-12-02 12:16:09,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 12:16:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 194 transitions. [2020-12-02 12:16:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 12:16:09,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 12:16:09,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 12:16:09,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-02 12:16:09,233 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 12:16:09,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 12:16:09,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1657828642, now seen corresponding path program 1 times [2020-12-02 12:16:09,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 12:16:09,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521060795] [2020-12-02 12:16:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 12:16:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 12:16:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 12:16:09,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521060795] [2020-12-02 12:16:09,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 12:16:09,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-02 12:16:09,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137619944] [2020-12-02 12:16:09,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 12:16:09,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 12:16:09,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 12:16:09,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-02 12:16:09,349 INFO L87 Difference]: Start difference. First operand 105 states and 194 transitions. Second operand 5 states. [2020-12-02 12:16:09,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 12:16:09,497 INFO L93 Difference]: Finished difference Result 123 states and 224 transitions. [2020-12-02 12:16:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 12:16:09,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-12-02 12:16:09,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 12:16:09,499 INFO L225 Difference]: With dead ends: 123 [2020-12-02 12:16:09,499 INFO L226 Difference]: Without dead ends: 123 [2020-12-02 12:16:09,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-02 12:16:09,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-12-02 12:16:09,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 117. [2020-12-02 12:16:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-02 12:16:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 214 transitions. [2020-12-02 12:16:09,504 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 214 transitions. Word has length 18 [2020-12-02 12:16:09,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 12:16:09,505 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 214 transitions. [2020-12-02 12:16:09,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 12:16:09,505 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 214 transitions. [2020-12-02 12:16:09,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 12:16:09,506 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 12:16:09,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 12:16:09,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-02 12:16:09,507 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 12:16:09,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 12:16:09,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1686456832, now seen corresponding path program 2 times [2020-12-02 12:16:09,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 12:16:09,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56983568] [2020-12-02 12:16:09,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 12:16:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 12:16:09,568 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 12:16:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 12:16:09,648 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 12:16:09,705 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 12:16:09,706 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 12:16:09,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-02 12:16:09,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:16:09 BasicIcfg [2020-12-02 12:16:09,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 12:16:09,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 12:16:09,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 12:16:09,813 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 12:16:09,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:15:22" (3/4) ... [2020-12-02 12:16:09,818 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-02 12:16:09,900 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 12:16:09,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 12:16:09,902 INFO L168 Benchmark]: Toolchain (without parser) took 49590.79 ms. Allocated memory was 44.0 MB in the beginning and 146.8 MB in the end (delta: 102.8 MB). Free memory was 25.9 MB in the beginning and 110.8 MB in the end (delta: -84.9 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:09,903 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 35.7 MB. Free memory was 21.5 MB in the beginning and 21.5 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 12:16:09,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1185.40 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 25.7 MB in the beginning and 19.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:09,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.20 ms. Allocated memory is still 56.6 MB. Free memory was 19.0 MB in the beginning and 16.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:09,905 INFO L168 Benchmark]: Boogie Preprocessor took 51.07 ms. Allocated memory is still 56.6 MB. Free memory was 16.0 MB in the beginning and 13.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:09,905 INFO L168 Benchmark]: RCFGBuilder took 846.83 ms. Allocated memory is still 56.6 MB. Free memory was 13.5 MB in the beginning and 28.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:09,906 INFO L168 Benchmark]: TraceAbstraction took 47329.18 ms. Allocated memory was 56.6 MB in the beginning and 146.8 MB in the end (delta: 90.2 MB). Free memory was 28.3 MB in the beginning and 34.2 MB in the end (delta: -5.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:09,907 INFO L168 Benchmark]: Witness Printer took 89.70 ms. Allocated memory is still 146.8 MB. Free memory was 34.2 MB in the beginning and 110.8 MB in the end (delta: -76.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:09,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 35.7 MB. Free memory was 21.5 MB in the beginning and 21.5 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1185.40 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 25.7 MB in the beginning and 19.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.20 ms. Allocated memory is still 56.6 MB. Free memory was 19.0 MB in the beginning and 16.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.07 ms. Allocated memory is still 56.6 MB. Free memory was 16.0 MB in the beginning and 13.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 846.83 ms. Allocated memory is still 56.6 MB. Free memory was 13.5 MB in the beginning and 28.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 47329.18 ms. Allocated memory was 56.6 MB in the beginning and 146.8 MB in the end (delta: 90.2 MB). Free memory was 28.3 MB in the beginning and 34.2 MB in the end (delta: -5.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 16.1 GB. * Witness Printer took 89.70 ms. Allocated memory is still 146.8 MB. Free memory was 34.2 MB in the beginning and 110.8 MB in the end (delta: -76.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1232 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 11 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 24.3s, 60 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 42.6s, 152 PlacesBefore, 37 PlacesAfterwards, 156 TransitionsBefore, 36 TransitionsAfterwards, 1836 CoEnabledTransitionPairs, 7 FixpointIterations, 99 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 16 ConcurrentYvCompositions, 5 ChoiceCompositions, 175 TotalNumberOfCompositions, 4033 MoverChecksTotal - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1688] 0 struct device *my_dev; [L1727] 0 return 0; [L1733] 0 int ret = my_drv_init(); [L1734] COND TRUE 0 ret==0 [L1735] 0 int probe_ret; [L1736] 0 struct my_data data; [L1705] 0 data->shared.a = 0 [L1706] 0 data->shared.b = 0 [L1707] 0 data->shared.a [L1675] COND FALSE 0 !(!expression) [L1708] 0 data->shared.b [L1675] COND FALSE 0 !(!expression) [L1709] 0 int res = __VERIFIER_nondet_int(); [L1710] COND FALSE 0 !(\read(res)) [L1712] 0 my_dev = &data->dev [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={6:24}, t1={7:0}, t2={8:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={6:24}, t1={7:0}, t2={8:0}] [L1715] 0 return 0; [L1737] 0 probe_ret = my_drv_probe(&data) VAL [arg={0:0}, my_dev={6:24}, t1={7:0}, t2={8:0}] [L1738] COND TRUE 0 probe_ret==0 [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [arg={0:0}, my_dev={6:24}, t1={7:0}, t2={8:0}] [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, my_dev={6:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 2 data->shared.a = 1 VAL [__mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, lb=0, my_dev={6:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 2 data->shared.b = lb + 1 [L1701] 2 return 0; [L1699] 1 data->shared.b = lb + 1 [L1701] 1 return 0; [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, lb=0, my_dev={6:24}, t1={7:0}, t2={8:0}] [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, lb=0, my_dev={6:24}, t1={7:0}, t2={8:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, lb=0, my_dev={6:24}, t1={7:0}, t2={8:0}] [L1740] 0 data.shared.a [L1675] COND FALSE 0 !(!expression) [L1741] 0 data.shared.b [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, lb=0, my_dev={6:24}, t1={7:0}, t2={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 136 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 47.0s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 42.7s, HoareTripleCheckerStatistics: 161 SDtfs, 146 SDslu, 185 SDs, 0 SdLazy, 572 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 143 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 13426 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...