./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1dad5daa490be7069cef5ea8bf1cf3314a40a44a4796167c86226f70cfcf68a2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:12:06,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:12:06,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:12:06,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:12:06,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:12:06,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:12:06,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:12:06,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:12:06,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:12:06,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:12:06,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:12:06,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:12:06,114 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:12:06,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:12:06,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:12:06,116 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:12:06,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:12:06,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:12:06,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:12:06,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:12:06,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:12:06,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:12:06,120 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:12:06,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:12:06,122 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:12:06,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:12:06,123 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:12:06,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:12:06,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:12:06,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:12:06,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:12:06,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:12:06,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:12:06,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:12:06,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:12:06,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:12:06,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:12:06,128 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:12:06,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:12:06,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:12:06,130 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:12:06,131 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dad5daa490be7069cef5ea8bf1cf3314a40a44a4796167c86226f70cfcf68a2 [2023-11-12 02:12:06,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:12:06,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:12:06,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:12:06,425 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:12:06,427 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:12:06,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2023-11-12 02:12:09,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:12:09,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:12:09,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2023-11-12 02:12:09,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/data/20c46bce6/8a99067e27be409e88fd03e82722a3d6/FLAG95e364bbf [2023-11-12 02:12:09,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/data/20c46bce6/8a99067e27be409e88fd03e82722a3d6 [2023-11-12 02:12:10,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:12:10,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:12:10,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:12:10,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:12:10,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:12:10,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:12:09" (1/1) ... [2023-11-12 02:12:10,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45612c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10, skipping insertion in model container [2023-11-12 02:12:10,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:12:09" (1/1) ... [2023-11-12 02:12:10,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:12:10,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:12:10,301 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:12:10,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:12:10,343 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:12:10,343 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:12:10,351 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:12:10,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10 WrapperNode [2023-11-12 02:12:10,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:12:10,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:12:10,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:12:10,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:12:10,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,419 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 170 [2023-11-12 02:12:10,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:12:10,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:12:10,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:12:10,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:12:10,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:12:10,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:12:10,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:12:10,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:12:10,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (1/1) ... [2023-11-12 02:12:10,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:12:10,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:12:10,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:12:10,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:12:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:12:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:12:10,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:12:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:12:10,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:12:10,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:12:10,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:12:10,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 02:12:10,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 02:12:10,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:12:10,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:12:10,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:12:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:12:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:12:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:12:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:12:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:12:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:12:10,577 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:12:10,751 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:12:10,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:12:11,236 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:12:11,332 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:12:11,333 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:12:11,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:11 BoogieIcfgContainer [2023-11-12 02:12:11,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:12:11,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:12:11,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:12:11,341 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:12:11,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:12:09" (1/3) ... [2023-11-12 02:12:11,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475296f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:11, skipping insertion in model container [2023-11-12 02:12:11,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:10" (2/3) ... [2023-11-12 02:12:11,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475296f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:11, skipping insertion in model container [2023-11-12 02:12:11,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:11" (3/3) ... [2023-11-12 02:12:11,345 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2023-11-12 02:12:11,355 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:12:11,366 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:12:11,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2023-11-12 02:12:11,366 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:12:11,466 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-12 02:12:11,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 192 places, 188 transitions, 404 flow [2023-11-12 02:12:11,648 INFO L124 PetriNetUnfolderBase]: 9/184 cut-off events. [2023-11-12 02:12:11,650 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-12 02:12:11,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 184 events. 9/184 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 223 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 114. Up to 2 conditions per place. [2023-11-12 02:12:11,660 INFO L82 GeneralOperation]: Start removeDead. Operand has 192 places, 188 transitions, 404 flow [2023-11-12 02:12:11,674 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 159 transitions, 342 flow [2023-11-12 02:12:11,678 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:12:11,696 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 159 transitions, 342 flow [2023-11-12 02:12:11,701 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 159 transitions, 342 flow [2023-11-12 02:12:11,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 159 transitions, 342 flow [2023-11-12 02:12:11,776 INFO L124 PetriNetUnfolderBase]: 8/159 cut-off events. [2023-11-12 02:12:11,776 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-12 02:12:11,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 159 events. 8/159 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 220 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2023-11-12 02:12:11,789 INFO L119 LiptonReduction]: Number of co-enabled transitions 8090 [2023-11-12 02:12:17,027 INFO L134 LiptonReduction]: Checked pairs total: 20066 [2023-11-12 02:12:17,028 INFO L136 LiptonReduction]: Total number of compositions: 140 [2023-11-12 02:12:17,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:12:17,050 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@60c17ef2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:12:17,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2023-11-12 02:12:17,053 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:12:17,053 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2023-11-12 02:12:17,053 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:12:17,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:12:17,054 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-12 02:12:17,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-12 02:12:17,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:17,060 INFO L85 PathProgramCache]: Analyzing trace with hash 790, now seen corresponding path program 1 times [2023-11-12 02:12:17,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:17,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34036512] [2023-11-12 02:12:17,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:17,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:12:17,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:12:17,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34036512] [2023-11-12 02:12:17,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34036512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:17,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:17,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 02:12:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477018515] [2023-11-12 02:12:17,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:17,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:12:17,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:12:17,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:12:17,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:12:17,226 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 328 [2023-11-12 02:12:17,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 61 transitions, 146 flow. Second operand has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 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) [2023-11-12 02:12:17,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:12:17,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 328 [2023-11-12 02:12:17,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:12:17,630 INFO L124 PetriNetUnfolderBase]: 1627/2505 cut-off events. [2023-11-12 02:12:17,630 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-11-12 02:12:17,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4847 conditions, 2505 events. 1627/2505 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 12947 event pairs, 1113 based on Foata normal form. 515/2615 useless extension candidates. Maximal degree in co-relation 4076. Up to 2150 conditions per place. [2023-11-12 02:12:17,656 INFO L140 encePairwiseOnDemand]: 307/328 looper letters, 29 selfloop transitions, 0 changer transitions 1/40 dead transitions. [2023-11-12 02:12:17,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 40 transitions, 164 flow [2023-11-12 02:12:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:12:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:12:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 371 transitions. [2023-11-12 02:12:17,672 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5655487804878049 [2023-11-12 02:12:17,673 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 371 transitions. [2023-11-12 02:12:17,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 371 transitions. [2023-11-12 02:12:17,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:12:17,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 371 transitions. [2023-11-12 02:12:17,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 185.5) internal successors, (371), 2 states have internal predecessors, (371), 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) [2023-11-12 02:12:17,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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) [2023-11-12 02:12:17,696 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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) [2023-11-12 02:12:17,698 INFO L175 Difference]: Start difference. First operand has 66 places, 61 transitions, 146 flow. Second operand 2 states and 371 transitions. [2023-11-12 02:12:17,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 40 transitions, 164 flow [2023-11-12 02:12:17,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 148 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-12 02:12:17,713 INFO L231 Difference]: Finished difference. Result has 42 places, 39 transitions, 85 flow [2023-11-12 02:12:17,715 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=85, PETRI_PLACES=42, PETRI_TRANSITIONS=39} [2023-11-12 02:12:17,720 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -24 predicate places. [2023-11-12 02:12:17,720 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 39 transitions, 85 flow [2023-11-12 02:12:17,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 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) [2023-11-12 02:12:17,721 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:12:17,722 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:12:17,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:12:17,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-12 02:12:17,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:17,725 INFO L85 PathProgramCache]: Analyzing trace with hash 747416805, now seen corresponding path program 1 times [2023-11-12 02:12:17,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:17,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182737212] [2023-11-12 02:12:17,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:17,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:12:17,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:12:17,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182737212] [2023-11-12 02:12:17,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182737212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:17,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:17,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:12:17,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939035209] [2023-11-12 02:12:17,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:17,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:12:17,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:12:17,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:12:17,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:12:17,913 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 328 [2023-11-12 02:12:17,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 39 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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) [2023-11-12 02:12:17,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:12:17,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 328 [2023-11-12 02:12:17,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:12:18,774 INFO L124 PetriNetUnfolderBase]: 6257/8180 cut-off events. [2023-11-12 02:12:18,774 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2023-11-12 02:12:18,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16530 conditions, 8180 events. 6257/8180 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 32606 event pairs, 2213 based on Foata normal form. 0/6836 useless extension candidates. Maximal degree in co-relation 16527. Up to 8036 conditions per place. [2023-11-12 02:12:18,794 INFO L140 encePairwiseOnDemand]: 320/328 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2023-11-12 02:12:18,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 50 transitions, 210 flow [2023-11-12 02:12:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:12:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:12:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2023-11-12 02:12:18,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5030487804878049 [2023-11-12 02:12:18,799 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 495 transitions. [2023-11-12 02:12:18,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 495 transitions. [2023-11-12 02:12:18,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:12:18,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 495 transitions. [2023-11-12 02:12:18,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) [2023-11-12 02:12:18,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 328.0) internal successors, (1312), 4 states have internal predecessors, (1312), 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) [2023-11-12 02:12:18,807 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 328.0) internal successors, (1312), 4 states have internal predecessors, (1312), 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) [2023-11-12 02:12:18,807 INFO L175 Difference]: Start difference. First operand has 42 places, 39 transitions, 85 flow. Second operand 3 states and 495 transitions. [2023-11-12 02:12:18,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 50 transitions, 210 flow [2023-11-12 02:12:18,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 50 transitions, 210 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:12:18,809 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-11-12 02:12:18,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-11-12 02:12:18,810 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -27 predicate places. [2023-11-12 02:12:18,811 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-11-12 02:12:18,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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) [2023-11-12 02:12:18,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2023-11-12 02:12:18,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2023-11-12 02:12:18,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2023-11-12 02:12:18,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2023-11-12 02:12:18,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2023-11-12 02:12:18,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2023-11-12 02:12:18,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2023-11-12 02:12:18,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2023-11-12 02:12:18,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2023-11-12 02:12:18,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2023-11-12 02:12:18,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2023-11-12 02:12:18,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2023-11-12 02:12:18,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2023-11-12 02:12:18,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2023-11-12 02:12:18,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2023-11-12 02:12:18,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2023-11-12 02:12:18,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2023-11-12 02:12:18,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 39 remaining) [2023-11-12 02:12:18,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 39 remaining) [2023-11-12 02:12:18,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 39 remaining) [2023-11-12 02:12:18,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 39 remaining) [2023-11-12 02:12:18,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2023-11-12 02:12:18,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining) [2023-11-12 02:12:18,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining) [2023-11-12 02:12:18,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2023-11-12 02:12:18,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2023-11-12 02:12:18,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2023-11-12 02:12:18,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2023-11-12 02:12:18,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2023-11-12 02:12:18,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2023-11-12 02:12:18,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2023-11-12 02:12:18,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2023-11-12 02:12:18,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2023-11-12 02:12:18,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2023-11-12 02:12:18,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2023-11-12 02:12:18,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2023-11-12 02:12:18,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2023-11-12 02:12:18,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2023-11-12 02:12:18,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2023-11-12 02:12:18,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:12:18,825 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:12:18,832 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:12:18,832 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:12:18,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:12:18 BasicIcfg [2023-11-12 02:12:18,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:12:18,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:12:18,838 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:12:18,838 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:12:18,838 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:11" (3/4) ... [2023-11-12 02:12:18,840 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:12:18,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-12 02:12:18,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-12 02:12:18,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-12 02:12:18,844 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-12 02:12:18,849 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-12 02:12:18,849 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:12:18,850 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:12:18,850 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:12:19,027 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:12:19,030 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:12:19,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:12:19,031 INFO L158 Benchmark]: Toolchain (without parser) took 9024.82ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 88.7MB in the beginning and 142.7MB in the end (delta: -54.0MB). Peak memory consumption was 120.4MB. Max. memory is 16.1GB. [2023-11-12 02:12:19,032 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:12:19,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.03ms. Allocated memory is still 132.1MB. Free memory was 88.4MB in the beginning and 76.4MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:12:19,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.27ms. Allocated memory is still 132.1MB. Free memory was 76.4MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:12:19,039 INFO L158 Benchmark]: Boogie Preprocessor took 60.58ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:12:19,040 INFO L158 Benchmark]: RCFGBuilder took 853.96ms. Allocated memory is still 132.1MB. Free memory was 72.4MB in the beginning and 94.0MB in the end (delta: -21.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-11-12 02:12:19,040 INFO L158 Benchmark]: TraceAbstraction took 7499.09ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 93.5MB in the beginning and 58.4MB in the end (delta: 35.0MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2023-11-12 02:12:19,041 INFO L158 Benchmark]: Witness Printer took 193.21ms. Allocated memory is still 207.6MB. Free memory was 58.4MB in the beginning and 142.7MB in the end (delta: -84.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-12 02:12:19,042 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.03ms. Allocated memory is still 132.1MB. Free memory was 88.4MB in the beginning and 76.4MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.27ms. Allocated memory is still 132.1MB. Free memory was 76.4MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.58ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 853.96ms. Allocated memory is still 132.1MB. Free memory was 72.4MB in the beginning and 94.0MB in the end (delta: -21.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7499.09ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 93.5MB in the beginning and 58.4MB in the end (delta: 35.0MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. * Witness Printer took 193.21ms. Allocated memory is still 207.6MB. Free memory was 58.4MB in the beginning and 142.7MB in the end (delta: -84.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 164 PlacesBefore, 66 PlacesAfterwards, 159 TransitionsBefore, 61 TransitionsAfterwards, 8090 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 97 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 0 ChoiceCompositions, 140 TotalNumberOfCompositions, 20066 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8711, independent: 8433, independent conditional: 0, independent unconditional: 8433, dependent: 278, dependent conditional: 0, dependent unconditional: 278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4674, independent: 4638, independent conditional: 0, independent unconditional: 4638, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8711, independent: 3795, independent conditional: 0, independent unconditional: 3795, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 4674, unknown conditional: 0, unknown unconditional: 4674] , Statistics on independence cache: Total cache size (in pairs): 423, Positive cache size: 403, Positive conditional cache size: 0, Positive unconditional cache size: 403, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 250 locations, 39 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: 7.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 4 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:12:19,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0e7af6-71ca-4ca9-b128-eec449fcc8ea/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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