./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel/parallel-sum-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8c2bbc92 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel/parallel-sum-1.wvr.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 a28714ba1511f1e67089318107474a0ec352d9e6 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.1-dev-8c2bbc9 [2021-10-03 12:07:44,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-03 12:07:44,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-03 12:07:44,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-03 12:07:44,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-03 12:07:44,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-03 12:07:44,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-03 12:07:44,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-03 12:07:44,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-03 12:07:44,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-03 12:07:44,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-03 12:07:44,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-03 12:07:44,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-03 12:07:44,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-03 12:07:44,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-03 12:07:44,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-03 12:07:44,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-03 12:07:44,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-03 12:07:44,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-03 12:07:44,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-03 12:07:44,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-03 12:07:44,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-03 12:07:44,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-03 12:07:44,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-03 12:07:44,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-03 12:07:44,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-03 12:07:44,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-03 12:07:44,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-03 12:07:44,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-03 12:07:44,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-03 12:07:44,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-03 12:07:44,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-03 12:07:44,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-03 12:07:44,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-03 12:07:44,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-03 12:07:44,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-03 12:07:44,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-03 12:07:44,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-03 12:07:44,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-03 12:07:44,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-03 12:07:44,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-03 12:07:44,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-03 12:07:44,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-03 12:07:44,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-03 12:07:44,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-03 12:07:44,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-03 12:07:44,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-03 12:07:44,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-03 12:07:44,466 INFO L138 SettingsManager]: * Use SBE=true [2021-10-03 12:07:44,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-03 12:07:44,467 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-03 12:07:44,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-03 12:07:44,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-03 12:07:44,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-03 12:07:44,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-03 12:07:44,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-03 12:07:44,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-03 12:07:44,469 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-03 12:07:44,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-03 12:07:44,469 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-03 12:07:44,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-03 12:07:44,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-03 12:07:44,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-03 12:07:44,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-03 12:07:44,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-03 12:07:44,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-03 12:07:44,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-03 12:07:44,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-03 12:07:44,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-03 12:07:44,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-03 12:07:44,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-03 12:07:44,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-03 12:07:44,474 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a28714ba1511f1e67089318107474a0ec352d9e6 [2021-10-03 12:07:44,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-03 12:07:44,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-03 12:07:44,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-03 12:07:44,907 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-03 12:07:44,908 INFO L275 PluginConnector]: CDTParser initialized [2021-10-03 12:07:44,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel/parallel-sum-1.wvr.c [2021-10-03 12:07:44,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/527b6f96a/401d43c037d54b54afd2931db0db6277/FLAG5106d41a0 [2021-10-03 12:07:45,626 INFO L306 CDTParser]: Found 1 translation units. [2021-10-03 12:07:45,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/parallel-sum-1.wvr.c [2021-10-03 12:07:45,628 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-10-03 12:07:45,628 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2021-10-03 12:07:45,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/527b6f96a/401d43c037d54b54afd2931db0db6277/FLAG5106d41a0 [2021-10-03 12:07:46,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/527b6f96a/401d43c037d54b54afd2931db0db6277 [2021-10-03 12:07:46,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-03 12:07:46,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-03 12:07:46,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-03 12:07:46,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-03 12:07:46,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-03 12:07:46,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6be0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46, skipping insertion in model container [2021-10-03 12:07:46,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-03 12:07:46,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-03 12:07:46,244 WARN L612 FunctionHandler]: implicit declaration of function assert [2021-10-03 12:07:46,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/parallel-sum-1.wvr.c[2105,2118] [2021-10-03 12:07:46,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-03 12:07:46,330 INFO L203 MainTranslator]: Completed pre-run [2021-10-03 12:07:46,343 WARN L612 FunctionHandler]: implicit declaration of function assert [2021-10-03 12:07:46,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/parallel-sum-1.wvr.c[2105,2118] [2021-10-03 12:07:46,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-03 12:07:46,380 INFO L208 MainTranslator]: Completed translation [2021-10-03 12:07:46,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46 WrapperNode [2021-10-03 12:07:46,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-03 12:07:46,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-03 12:07:46,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-03 12:07:46,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-03 12:07:46,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-03 12:07:46,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-03 12:07:46,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-03 12:07:46,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-03 12:07:46,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-03 12:07:46,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-03 12:07:46,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-03 12:07:46,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-03 12:07:46,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (1/1) ... [2021-10-03 12:07:46,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-03 12:07:46,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-03 12:07:46,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-03 12:07:46,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-03 12:07:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-03 12:07:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-03 12:07:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-03 12:07:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-03 12:07:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-03 12:07:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-03 12:07:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-03 12:07:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-03 12:07:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-03 12:07:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-03 12:07:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-03 12:07:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-03 12:07:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-03 12:07:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-03 12:07:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-03 12:07:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-03 12:07:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-03 12:07:46,620 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-03 12:07:47,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-03 12:07:47,301 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-03 12:07:47,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:07:47 BoogieIcfgContainer [2021-10-03 12:07:47,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-03 12:07:47,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-03 12:07:47,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-03 12:07:47,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-03 12:07:47,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:07:46" (1/3) ... [2021-10-03 12:07:47,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d9b0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:07:47, skipping insertion in model container [2021-10-03 12:07:47,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:07:46" (2/3) ... [2021-10-03 12:07:47,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d9b0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:07:47, skipping insertion in model container [2021-10-03 12:07:47,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:07:47" (3/3) ... [2021-10-03 12:07:47,316 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1.wvr.c [2021-10-03 12:07:47,323 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-03 12:07:47,323 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-03 12:07:47,324 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-03 12:07:47,324 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-03 12:07:47,384 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,386 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,386 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,387 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,387 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,387 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,387 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,387 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,388 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,388 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,388 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,388 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,391 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,392 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,392 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,393 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,393 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,394 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,394 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,394 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,395 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,395 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,395 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,395 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,398 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,398 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,399 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,399 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,399 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,399 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,400 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,400 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,400 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,400 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,401 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,401 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,401 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,401 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,402 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,402 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,403 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,403 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,403 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,403 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,404 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,404 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,404 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,404 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,405 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,405 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,405 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,406 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,407 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,407 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,407 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,407 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,414 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,415 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,415 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,415 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,415 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,416 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,416 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,419 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,419 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,419 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,419 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,420 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,420 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,420 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,423 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,423 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,424 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,425 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,429 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,430 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,431 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,431 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,432 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,432 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,432 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,439 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 12:07:47,458 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-03 12:07:47,542 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-03 12:07:47,551 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-03 12:07:47,551 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-03 12:07:47,572 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-03 12:07:47,585 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 167 transitions, 366 flow [2021-10-03 12:07:47,589 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 167 transitions, 366 flow [2021-10-03 12:07:47,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 167 transitions, 366 flow [2021-10-03 12:07:47,690 INFO L129 PetriNetUnfolder]: 13/163 cut-off events. [2021-10-03 12:07:47,691 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-03 12:07:47,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 163 events. 13/163 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 103 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 129. Up to 2 conditions per place. [2021-10-03 12:07:47,706 INFO L116 LiptonReduction]: Number of co-enabled transitions 1824 [2021-10-03 12:07:54,141 INFO L131 LiptonReduction]: Checked pairs total: 2160 [2021-10-03 12:07:54,142 INFO L133 LiptonReduction]: Total number of compositions: 161 [2021-10-03 12:07:54,155 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 32 transitions, 96 flow [2021-10-03 12:07:54,187 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 93 states, 92 states have (on average 3.717391304347826) internal successors, (342), 92 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-03 12:07:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 92 states have (on average 3.717391304347826) internal successors, (342), 92 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-03 12:07:54,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-03 12:07:54,199 INFO L504 BasicCegarLoop]: Found error trace [2021-10-03 12:07:54,200 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-03 12:07:54,200 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-03 12:07:54,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-03 12:07:54,206 INFO L82 PathProgramCache]: Analyzing trace with hash -626079905, now seen corresponding path program 1 times [2021-10-03 12:07:54,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-03 12:07:54,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191930442] [2021-10-03 12:07:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-03 12:07:54,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-03 12:07:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-03 12:07:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-03 12:07:54,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-03 12:07:54,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191930442] [2021-10-03 12:07:54,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191930442] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-03 12:07:54,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-03 12:07:54,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-03 12:07:54,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372506905] [2021-10-03 12:07:54,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-03 12:07:54,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-03 12:07:54,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-03 12:07:54,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-03 12:07:54,807 INFO L87 Difference]: Start difference. First operand has 93 states, 92 states have (on average 3.717391304347826) internal successors, (342), 92 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-03 12:07:54,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-03 12:07:54,883 INFO L93 Difference]: Finished difference Result 184 states and 616 transitions. [2021-10-03 12:07:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-03 12:07:54,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-03 12:07:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-03 12:07:54,898 INFO L225 Difference]: With dead ends: 184 [2021-10-03 12:07:54,898 INFO L226 Difference]: Without dead ends: 94 [2021-10-03 12:07:54,899 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-03 12:07:54,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-03 12:07:54,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-03 12:07:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 3.6881720430107525) internal successors, (343), 93 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-03 12:07:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 343 transitions. [2021-10-03 12:07:54,967 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 343 transitions. Word has length 22 [2021-10-03 12:07:54,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-03 12:07:54,968 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 343 transitions. [2021-10-03 12:07:54,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-03 12:07:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 343 transitions. [2021-10-03 12:07:54,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-03 12:07:54,971 INFO L504 BasicCegarLoop]: Found error trace [2021-10-03 12:07:54,971 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-03 12:07:54,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-03 12:07:54,972 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-03 12:07:54,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-03 12:07:54,973 INFO L82 PathProgramCache]: Analyzing trace with hash -306743942, now seen corresponding path program 1 times [2021-10-03 12:07:54,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-03 12:07:54,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589721119] [2021-10-03 12:07:54,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-03 12:07:54,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-03 12:07:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-03 12:07:55,054 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-03 12:07:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-03 12:07:55,232 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-03 12:07:55,232 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-03 12:07:55,235 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-03 12:07:55,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-03 12:07:55,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-03 12:07:55,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-03 12:07:55,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-03 12:07:55,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-03 12:07:55,250 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-03 12:07:55,250 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-03 12:07:55,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:07:55 BasicIcfg [2021-10-03 12:07:55,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-03 12:07:55,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-03 12:07:55,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-03 12:07:55,364 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-03 12:07:55,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:07:47" (3/4) ... [2021-10-03 12:07:55,367 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-03 12:07:55,487 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-10-03 12:07:55,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-03 12:07:55,489 INFO L168 Benchmark]: Toolchain (without parser) took 9478.89 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 30.2 MB in the beginning and 41.6 MB in the end (delta: -11.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-10-03 12:07:55,491 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 44.0 MB. Free memory is still 21.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-03 12:07:55,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.00 ms. Allocated memory is still 54.5 MB. Free memory was 29.9 MB in the beginning and 31.7 MB in the end (delta: -1.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-03 12:07:55,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.33 ms. Allocated memory is still 54.5 MB. Free memory was 31.7 MB in the beginning and 29.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-03 12:07:55,493 INFO L168 Benchmark]: Boogie Preprocessor took 39.75 ms. Allocated memory is still 54.5 MB. Free memory was 29.5 MB in the beginning and 27.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-03 12:07:55,494 INFO L168 Benchmark]: RCFGBuilder took 823.72 ms. Allocated memory is still 54.5 MB. Free memory was 27.9 MB in the beginning and 31.6 MB in the end (delta: -3.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-03 12:07:55,494 INFO L168 Benchmark]: TraceAbstraction took 8055.40 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 31.2 MB in the beginning and 49.0 MB in the end (delta: -17.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-10-03 12:07:55,497 INFO L168 Benchmark]: Witness Printer took 125.26 ms. Allocated memory is still 98.6 MB. Free memory was 49.0 MB in the beginning and 41.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-03 12:07:55,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 44.0 MB. Free memory is still 21.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 363.00 ms. Allocated memory is still 54.5 MB. Free memory was 29.9 MB in the beginning and 31.7 MB in the end (delta: -1.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.33 ms. Allocated memory is still 54.5 MB. Free memory was 31.7 MB in the beginning and 29.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.75 ms. Allocated memory is still 54.5 MB. Free memory was 29.5 MB in the beginning and 27.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 823.72 ms. Allocated memory is still 54.5 MB. Free memory was 27.9 MB in the beginning and 31.6 MB in the end (delta: -3.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8055.40 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 31.2 MB in the beginning and 49.0 MB in the end (delta: -17.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Witness Printer took 125.26 ms. Allocated memory is still 98.6 MB. Free memory was 49.0 MB in the beginning and 41.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6553.2ms, 167 PlacesBefore, 40 PlacesAfterwards, 167 TransitionsBefore, 32 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 8 FixpointIterations, 100 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 14 ConcurrentYvCompositions, 8 ChoiceCompositions, 161 TotalNumberOfCompositions, 2160 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2110, positive: 2070, positive conditional: 0, positive unconditional: 2070, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1434, positive: 1429, positive conditional: 0, positive unconditional: 1429, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1434, positive: 1413, positive conditional: 0, positive unconditional: 1413, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2110, positive: 641, positive conditional: 0, positive unconditional: 641, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 1434, unknown conditional: 0, unknown unconditional: 1434] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 94]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] 0 int* x; [L18] 0 int i1, i2, t11, t21, t12, t22, s1, s2, n; [L67] 0 pthread_t t1, t2, t3, t4; [L70] 0 i1 = __VERIFIER_nondet_int() [L71] 0 i2 = __VERIFIER_nondet_int() [L72] 0 t11 = __VERIFIER_nondet_int() [L73] 0 t21 = __VERIFIER_nondet_int() [L74] 0 t12 = __VERIFIER_nondet_int() [L75] 0 t22 = __VERIFIER_nondet_int() [L76] 0 s1 = __VERIFIER_nondet_int() [L77] 0 s2 = __VERIFIER_nondet_int() [L78] 0 n = __VERIFIER_nondet_int() [L14] COND FALSE 0 !(!cond) [L100] 0 int* arr = (int*)malloc(sizeof(int) * size); [L101] 0 int i = 0; VAL [i1=0, i2=0, n=0, s1=0, s2=0, t11=0, t12=0, t21=1, t22=0, x={0:0}] [L101] COND TRUE 0 i < size [L102] 0 arr[i] = __VERIFIER_nondet_int() [L101] 0 i++ VAL [i1=0, i2=0, n=0, s1=0, s2=0, t11=0, t12=0, t21=1, t22=0, x={0:0}] [L101] COND FALSE 0 !(i < size) [L104] 0 return arr; [L79] 0 x = create_fresh_int_array(n+1) [L14] COND FALSE 0 !(!cond) [L84] FCALL, FORK 0 pthread_create(&t1, NULL, thread1, NULL) VAL [i1=0, i2=0, n=0, s1=0, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L23] COND FALSE 1 !(__VERIFIER_nondet_bool()) [L30] 1 s1 = s1 + t11 [L85] FCALL, FORK 0 pthread_create(&t2, NULL, thread2, NULL) VAL [i1=0, i2=0, n=0, s1=0, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L34] COND FALSE 2 !(__VERIFIER_nondet_bool()) [L41] 2 s1 = s1 + t21 [L86] FCALL, FORK 0 pthread_create(&t3, NULL, thread3, NULL) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L45] COND FALSE 3 !(__VERIFIER_nondet_bool()) [L52] 3 s2 = s2 + t12 [L87] FCALL, FORK 0 pthread_create(&t4, NULL, thread4, NULL) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L56] COND FALSE 4 !(__VERIFIER_nondet_bool()) [L63] 4 s2 = s2 + t22 [L88] 0 \read(t1) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L88] FCALL, JOIN 1 pthread_join(t1, 0) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L89] 0 \read(t2) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L89] FCALL, JOIN 2 pthread_join(t2, 0) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L90] 0 \read(t3) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L90] FCALL, JOIN 3 pthread_join(t3, 0) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L91] 0 \read(t4) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L91] FCALL, JOIN 4 pthread_join(t4, 0) VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] [L14] COND FALSE 0 !(!cond) [L94] 0 reach_error() VAL [i1=0, i2=0, n=0, s1=1, s2=0, t11=0, t12=0, t21=1, t22=0, x={-2:0}] - UnprovableResult [Line: 84]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 187 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7708.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 13.9ms, AutomataDifference: 123.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6635.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 24 SDslu, 38 SDs, 0 SdLazy, 19 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=1, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 50.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.2ms SsaConstructionTime, 308.7ms SatisfiabilityAnalysisTime, 203.6ms InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2021-10-03 12:07:55,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...