./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:05:02,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:05:02,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:05:02,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:05:02,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:05:02,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:05:02,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:05:02,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:05:02,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:05:02,729 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:05:02,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:05:02,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:05:02,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:05:02,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:05:02,731 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:05:02,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:05:02,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:05:02,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:05:02,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:05:02,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:05:02,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:05:02,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:05:02,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:05:02,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:05:02,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:05:02,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:05:02,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:05:02,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:05:02,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:05:02,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:05:02,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:05:02,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:05:02,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:05:02,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:05:02,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:05:02,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:05:02,733 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:05:02,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:05:02,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:05:02,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:05:02,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:05:02,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:05:02,735 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2024-11-13 14:05:03,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:05:03,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:05:03,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:05:03,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:05:03,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:05:03,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i Unable to find full path for "g++" [2024-11-13 14:05:05,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:05:05,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:05:05,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-11-13 14:05:05,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/data/155a83142/7a46c6a83b3c4c3fa812596697308fae/FLAG3b5927514 [2024-11-13 14:05:06,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/data/155a83142/7a46c6a83b3c4c3fa812596697308fae [2024-11-13 14:05:06,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:05:06,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:05:06,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:05:06,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:05:06,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:05:06,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6191ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06, skipping insertion in model container [2024-11-13 14:05:06,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:05:06,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2024-11-13 14:05:06,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2024-11-13 14:05:06,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:05:06,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:05:06,752 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2024-11-13 14:05:06,754 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2024-11-13 14:05:06,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:05:06,799 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:05:06,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06 WrapperNode [2024-11-13 14:05:06,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:05:06,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:05:06,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:05:06,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:05:06,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,859 INFO L138 Inliner]: procedures = 172, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-13 14:05:06,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:05:06,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:05:06,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:05:06,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:05:06,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,911 INFO L175 MemorySlicer]: Split 18 memory accesses to 3 slices as follows [2, 8, 8]. 44 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 8, 8]. The 0 writes are split as follows [0, 0, 0]. [2024-11-13 14:05:06,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:05:06,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:05:06,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:05:06,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:05:06,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (1/1) ... [2024-11-13 14:05:06,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:05:06,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:05:06,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:05:07,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:05:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-11-13 14:05:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-11-13 14:05:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-11-13 14:05:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-11-13 14:05:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 14:05:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:05:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 14:05:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 14:05:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 14:05:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:05:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:05:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:05:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 14:05:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:05:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:05:07,044 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 14:05:07,263 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:05:07,266 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:05:07,541 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:05:07,541 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:05:07,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:05:07,818 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:05:07,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:05:07 BoogieIcfgContainer [2024-11-13 14:05:07,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:05:07,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:05:07,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:05:07,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:05:07,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:05:06" (1/3) ... [2024-11-13 14:05:07,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f12b8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:05:07, skipping insertion in model container [2024-11-13 14:05:07,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:06" (2/3) ... [2024-11-13 14:05:07,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f12b8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:05:07, skipping insertion in model container [2024-11-13 14:05:07,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:05:07" (3/3) ... [2024-11-13 14:05:07,833 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-11-13 14:05:07,858 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:05:07,860 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG time_var_mutex.i that has 3 procedures, 34 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:05:07,860 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:05:07,936 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 14:05:07,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 37 transitions, 88 flow [2024-11-13 14:05:08,023 INFO L124 PetriNetUnfolderBase]: 4/35 cut-off events. [2024-11-13 14:05:08,026 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 14:05:08,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 35 events. 4/35 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 32. Up to 3 conditions per place. [2024-11-13 14:05:08,030 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 37 transitions, 88 flow [2024-11-13 14:05:08,034 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 33 transitions, 75 flow [2024-11-13 14:05:08,044 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:05:08,066 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@352ba223, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:05:08,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 14:05:08,097 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:05:08,100 INFO L124 PetriNetUnfolderBase]: 4/27 cut-off events. [2024-11-13 14:05:08,100 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:05:08,100 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:08,101 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:08,102 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-13 14:05:08,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:08,109 INFO L85 PathProgramCache]: Analyzing trace with hash 160798231, now seen corresponding path program 1 times [2024-11-13 14:05:08,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:08,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39103285] [2024-11-13 14:05:08,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:08,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:08,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:08,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39103285] [2024-11-13 14:05:08,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39103285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:08,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:08,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:05:08,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122741877] [2024-11-13 14:05:08,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:08,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:08,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:08,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:08,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:08,542 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 37 [2024-11-13 14:05:08,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-13 14:05:08,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:08,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 37 [2024-11-13 14:05:08,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:08,757 INFO L124 PetriNetUnfolderBase]: 131/310 cut-off events. [2024-11-13 14:05:08,757 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-13 14:05:08,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 310 events. 131/310 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1447 event pairs, 79 based on Foata normal form. 27/308 useless extension candidates. Maximal degree in co-relation 548. Up to 152 conditions per place. [2024-11-13 14:05:08,766 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 23 selfloop transitions, 2 changer transitions 0/37 dead transitions. [2024-11-13 14:05:08,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 37 transitions, 136 flow [2024-11-13 14:05:08,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-11-13 14:05:08,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6396396396396397 [2024-11-13 14:05:08,785 INFO L175 Difference]: Start difference. First operand has 36 places, 33 transitions, 75 flow. Second operand 3 states and 71 transitions. [2024-11-13 14:05:08,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 37 transitions, 136 flow [2024-11-13 14:05:08,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 37 transitions, 130 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 14:05:08,806 INFO L231 Difference]: Finished difference. Result has 35 places, 30 transitions, 68 flow [2024-11-13 14:05:08,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=35, PETRI_TRANSITIONS=30} [2024-11-13 14:05:08,817 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, -1 predicate places. [2024-11-13 14:05:08,818 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 68 flow [2024-11-13 14:05:08,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-13 14:05:08,818 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:08,818 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:08,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:05:08,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-13 14:05:08,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:08,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1383642651, now seen corresponding path program 1 times [2024-11-13 14:05:08,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:08,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491674666] [2024-11-13 14:05:08,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:08,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:08,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:08,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491674666] [2024-11-13 14:05:08,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491674666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:08,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:08,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:08,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726870070] [2024-11-13 14:05:08,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:08,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:08,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:08,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:08,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:08,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 37 [2024-11-13 14:05:08,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-13 14:05:08,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:08,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 37 [2024-11-13 14:05:08,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:09,160 INFO L124 PetriNetUnfolderBase]: 225/463 cut-off events. [2024-11-13 14:05:09,161 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-13 14:05:09,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 463 events. 225/463 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2143 event pairs, 112 based on Foata normal form. 8/449 useless extension candidates. Maximal degree in co-relation 688. Up to 264 conditions per place. [2024-11-13 14:05:09,166 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 25 selfloop transitions, 4 changer transitions 3/41 dead transitions. [2024-11-13 14:05:09,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 41 transitions, 157 flow [2024-11-13 14:05:09,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2024-11-13 14:05:09,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6306306306306306 [2024-11-13 14:05:09,171 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 68 flow. Second operand 3 states and 70 transitions. [2024-11-13 14:05:09,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 41 transitions, 157 flow [2024-11-13 14:05:09,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 41 transitions, 153 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:05:09,176 INFO L231 Difference]: Finished difference. Result has 37 places, 32 transitions, 92 flow [2024-11-13 14:05:09,176 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2024-11-13 14:05:09,179 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places. [2024-11-13 14:05:09,179 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 92 flow [2024-11-13 14:05:09,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-13 14:05:09,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:09,180 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:09,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:05:09,181 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-13 14:05:09,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:09,182 INFO L85 PathProgramCache]: Analyzing trace with hash -603161710, now seen corresponding path program 1 times [2024-11-13 14:05:09,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:09,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608933711] [2024-11-13 14:05:09,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:09,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:09,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:09,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608933711] [2024-11-13 14:05:09,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608933711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:09,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:09,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:09,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862162149] [2024-11-13 14:05:09,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:09,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:09,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:09,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:09,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:09,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 37 [2024-11-13 14:05:09,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-13 14:05:09,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:09,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 37 [2024-11-13 14:05:09,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:09,509 INFO L124 PetriNetUnfolderBase]: 217/433 cut-off events. [2024-11-13 14:05:09,509 INFO L125 PetriNetUnfolderBase]: For 84/87 co-relation queries the response was YES. [2024-11-13 14:05:09,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 433 events. 217/433 cut-off events. For 84/87 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1930 event pairs, 117 based on Foata normal form. 23/443 useless extension candidates. Maximal degree in co-relation 728. Up to 274 conditions per place. [2024-11-13 14:05:09,516 INFO L140 encePairwiseOnDemand]: 33/37 looper letters, 24 selfloop transitions, 2 changer transitions 5/40 dead transitions. [2024-11-13 14:05:09,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 40 transitions, 169 flow [2024-11-13 14:05:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 69 transitions. [2024-11-13 14:05:09,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6216216216216216 [2024-11-13 14:05:09,518 INFO L175 Difference]: Start difference. First operand has 37 places, 32 transitions, 92 flow. Second operand 3 states and 69 transitions. [2024-11-13 14:05:09,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 40 transitions, 169 flow [2024-11-13 14:05:09,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 163 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:05:09,523 INFO L231 Difference]: Finished difference. Result has 38 places, 31 transitions, 88 flow [2024-11-13 14:05:09,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2024-11-13 14:05:09,524 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2024-11-13 14:05:09,525 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 88 flow [2024-11-13 14:05:09,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-13 14:05:09,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:09,526 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:09,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:05:09,526 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-13 14:05:09,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:09,528 INFO L85 PathProgramCache]: Analyzing trace with hash 422950729, now seen corresponding path program 1 times [2024-11-13 14:05:09,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:09,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920086337] [2024-11-13 14:05:09,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:09,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:09,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:09,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:09,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920086337] [2024-11-13 14:05:09,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920086337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:09,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:09,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:09,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237715104] [2024-11-13 14:05:09,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:09,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:09,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:09,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:09,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:09,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 37 [2024-11-13 14:05:09,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-13 14:05:09,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:09,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 37 [2024-11-13 14:05:09,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:09,850 INFO L124 PetriNetUnfolderBase]: 140/340 cut-off events. [2024-11-13 14:05:09,850 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-13 14:05:09,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 340 events. 140/340 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1560 event pairs, 75 based on Foata normal form. 8/339 useless extension candidates. Maximal degree in co-relation 473. Up to 174 conditions per place. [2024-11-13 14:05:09,852 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 17 selfloop transitions, 5 changer transitions 7/42 dead transitions. [2024-11-13 14:05:09,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 42 transitions, 176 flow [2024-11-13 14:05:09,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-11-13 14:05:09,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7027027027027027 [2024-11-13 14:05:09,854 INFO L175 Difference]: Start difference. First operand has 38 places, 31 transitions, 88 flow. Second operand 3 states and 78 transitions. [2024-11-13 14:05:09,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 42 transitions, 176 flow [2024-11-13 14:05:09,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 42 transitions, 173 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:05:09,857 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 96 flow [2024-11-13 14:05:09,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2024-11-13 14:05:09,858 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, 3 predicate places. [2024-11-13 14:05:09,858 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 96 flow [2024-11-13 14:05:09,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-13 14:05:09,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:09,859 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:09,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:05:09,859 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-13 14:05:09,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:09,859 INFO L85 PathProgramCache]: Analyzing trace with hash 963682403, now seen corresponding path program 2 times [2024-11-13 14:05:09,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:09,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334106667] [2024-11-13 14:05:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:09,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:09,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:09,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334106667] [2024-11-13 14:05:09,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334106667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:09,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:09,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:09,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286751913] [2024-11-13 14:05:09,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:09,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:09,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:09,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:09,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:10,001 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 37 [2024-11-13 14:05:10,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-13 14:05:10,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:10,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 37 [2024-11-13 14:05:10,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:10,101 INFO L124 PetriNetUnfolderBase]: 59/159 cut-off events. [2024-11-13 14:05:10,102 INFO L125 PetriNetUnfolderBase]: For 64/66 co-relation queries the response was YES. [2024-11-13 14:05:10,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 159 events. 59/159 cut-off events. For 64/66 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 595 event pairs, 28 based on Foata normal form. 11/162 useless extension candidates. Maximal degree in co-relation 304. Up to 64 conditions per place. [2024-11-13 14:05:10,103 INFO L140 encePairwiseOnDemand]: 35/37 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2024-11-13 14:05:10,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 32 transitions, 142 flow [2024-11-13 14:05:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2024-11-13 14:05:10,104 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6486486486486487 [2024-11-13 14:05:10,104 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 96 flow. Second operand 3 states and 72 transitions. [2024-11-13 14:05:10,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 32 transitions, 142 flow [2024-11-13 14:05:10,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 32 transitions, 135 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-13 14:05:10,106 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2024-11-13 14:05:10,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2024-11-13 14:05:10,108 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, -1 predicate places. [2024-11-13 14:05:10,109 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2024-11-13 14:05:10,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-13 14:05:10,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-11-13 14:05:10,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-11-13 14:05:10,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-11-13 14:05:10,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-13 14:05:10,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-11-13 14:05:10,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-11-13 14:05:10,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:05:10,117 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-13 14:05:10,126 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 14:05:10,126 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:05:10,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:05:10 BasicIcfg [2024-11-13 14:05:10,139 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:05:10,139 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:05:10,140 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:05:10,140 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:05:10,141 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:05:07" (3/4) ... [2024-11-13 14:05:10,143 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:05:10,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2024-11-13 14:05:10,147 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2024-11-13 14:05:10,152 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-11-13 14:05:10,154 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 14:05:10,154 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 14:05:10,155 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:05:10,253 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:05:10,253 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:05:10,253 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:05:10,255 INFO L158 Benchmark]: Toolchain (without parser) took 4042.54ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 68.9MB in the end (delta: 23.1MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-13 14:05:10,256 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:05:10,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.72ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 71.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:05:10,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.95ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:05:10,257 INFO L158 Benchmark]: Boogie Preprocessor took 80.21ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:05:10,257 INFO L158 Benchmark]: RCFGBuilder took 875.66ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 90.0MB in the end (delta: -22.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-13 14:05:10,257 INFO L158 Benchmark]: TraceAbstraction took 2316.21ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 73.5MB in the end (delta: 15.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-13 14:05:10,257 INFO L158 Benchmark]: Witness Printer took 114.11ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 68.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:05:10,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.72ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 71.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.95ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.21ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 875.66ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 90.0MB in the end (delta: -22.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2316.21ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 73.5MB in the end (delta: 15.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 114.11ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 68.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 710]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 61 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 8 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 14:05:10,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade20f9a-edb2-48c5-847e-7e66dbd87c9a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE