/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:07:22,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:07:22,647 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 00:07:22,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:07:22,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:07:22,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:07:22,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:07:22,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:07:22,688 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:07:22,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:07:22,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:07:22,688 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:07:22,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:07:22,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:07:22,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:07:22,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:07:22,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:07:22,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:07:22,730 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:07:22,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:07:22,730 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:07:22,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:07:22,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:07:22,730 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:07:22,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:07:22,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:07:22,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:07:22,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:07:22,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:07:22,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:07:22,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:07:22,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:07:22,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2025-03-15 00:07:23,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:07:23,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:07:23,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:07:23,409 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:07:23,409 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:07:23,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2025-03-15 00:07:25,666 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be406d13b/3ffd69849ffe4b4d8ca4bac15d3bce43/FLAG6944aaaf4 [2025-03-15 00:07:25,911 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:07:25,912 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2025-03-15 00:07:25,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be406d13b/3ffd69849ffe4b4d8ca4bac15d3bce43/FLAG6944aaaf4 [2025-03-15 00:07:25,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be406d13b/3ffd69849ffe4b4d8ca4bac15d3bce43 [2025-03-15 00:07:25,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:07:25,944 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:07:25,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:07:25,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:07:25,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:07:25,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:07:25" (1/1) ... [2025-03-15 00:07:25,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19befae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:25, skipping insertion in model container [2025-03-15 00:07:25,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:07:25" (1/1) ... [2025-03-15 00:07:25,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:07:26,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:07:26,255 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:07:26,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:07:26,328 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:07:26,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26 WrapperNode [2025-03-15 00:07:26,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:07:26,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:07:26,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:07:26,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:07:26,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,360 INFO L138 Inliner]: procedures = 166, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2025-03-15 00:07:26,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:07:26,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:07:26,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:07:26,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:07:26,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:07:26,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:07:26,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:07:26,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:07:26,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (1/1) ... [2025-03-15 00:07:26,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:07:26,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:07:26,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 00:07:26,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 00:07:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-03-15 00:07:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-03-15 00:07:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:07:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:07:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:07:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:07:26,448 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 00:07:26,517 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:07:26,519 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:07:26,651 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:07:26,651 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:07:26,662 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:07:26,662 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-15 00:07:26,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:07:26 BoogieIcfgContainer [2025-03-15 00:07:26,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:07:26,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:07:26,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:07:26,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:07:26,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:07:25" (1/3) ... [2025-03-15 00:07:26,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f26ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:07:26, skipping insertion in model container [2025-03-15 00:07:26,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:07:26" (2/3) ... [2025-03-15 00:07:26,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f26ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:07:26, skipping insertion in model container [2025-03-15 00:07:26,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:07:26" (3/3) ... [2025-03-15 00:07:26,675 INFO L128 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2025-03-15 00:07:26,691 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:07:26,693 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 28_buggy_simple_loop1_vf.i that has 2 procedures, 57 locations, 1 initial locations, 4 loop locations, and 0 error locations. [2025-03-15 00:07:26,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f26ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:07:26, skipping insertion in model container [2025-03-15 00:07:26,695 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:07:26,697 INFO L158 Benchmark]: Toolchain (without parser) took 752.70ms. Allocated memory is still 71.3MB. Free memory was 42.3MB in the beginning and 31.7MB in the end (delta: 10.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2025-03-15 00:07:26,697 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:07:26,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.57ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 23.0MB in the end (delta: 19.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 00:07:26,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.56ms. Allocated memory is still 71.3MB. Free memory was 23.0MB in the beginning and 21.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:07:26,698 INFO L158 Benchmark]: Boogie Preprocessor took 24.68ms. Allocated memory is still 71.3MB. Free memory was 21.3MB in the beginning and 20.4MB in the end (delta: 965.2kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:07:26,698 INFO L158 Benchmark]: RCFGBuilder took 278.09ms. Allocated memory is still 71.3MB. Free memory was 20.4MB in the beginning and 34.7MB in the end (delta: -14.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2025-03-15 00:07:26,699 INFO L158 Benchmark]: TraceAbstraction took 29.15ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 31.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:07:26,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 381.57ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 23.0MB in the end (delta: 19.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.56ms. Allocated memory is still 71.3MB. Free memory was 23.0MB in the beginning and 21.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.68ms. Allocated memory is still 71.3MB. Free memory was 21.3MB in the beginning and 20.4MB in the end (delta: 965.2kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 278.09ms. Allocated memory is still 71.3MB. Free memory was 20.4MB in the beginning and 34.7MB in the end (delta: -14.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 29.15ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 31.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2025-03-15 00:07:26,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...