./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/clever.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/clever.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB --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 f1b460e4dbdd0bf3097d690d1720c7a2141566e2aa4ca1ed003c7fa25661851d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:59:06,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:59:06,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:59:06,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:59:06,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:59:06,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:59:06,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:59:06,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:59:06,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:59:06,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:59:06,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:59:06,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:59:06,194 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:59:06,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:59:06,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:59:06,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:59:06,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:59:06,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:59:06,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:59:06,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:59:06,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:59:06,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:59:06,195 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:59:06,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:59:06,195 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:59:06,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:59:06,195 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:59:06,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:59:06,195 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:59:06,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:59:06,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:59:06,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:06,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:59:06,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:59:06,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:59:06,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:06,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:59:06,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:59:06,197 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:59:06,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:59:06,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:59:06,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:59:06,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:59:06,197 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:59:06,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:59:06,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:59:06,198 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_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f1b460e4dbdd0bf3097d690d1720c7a2141566e2aa4ca1ed003c7fa25661851d [2024-11-28 04:59:06,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:59:06,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:59:06,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:59:06,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:59:06,574 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:59:06,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/clever.wvr.c [2024-11-28 04:59:09,702 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/data/9bd98eac9/d57b281f3fe148458baa5b5594e14e98/FLAG160726e54 [2024-11-28 04:59:10,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:59:10,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/sv-benchmarks/c/weaver/clever.wvr.c [2024-11-28 04:59:10,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/data/9bd98eac9/d57b281f3fe148458baa5b5594e14e98/FLAG160726e54 [2024-11-28 04:59:10,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/data/9bd98eac9/d57b281f3fe148458baa5b5594e14e98 [2024-11-28 04:59:10,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:59:10,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:59:10,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:59:10,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:59:10,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:59:10,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f894b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10, skipping insertion in model container [2024-11-28 04:59:10,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:59:10,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:59:10,517 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:59:10,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:59:10,566 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:59:10,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10 WrapperNode [2024-11-28 04:59:10,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:59:10,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:59:10,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:59:10,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:59:10,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,608 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2024-11-28 04:59:10,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:59:10,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:59:10,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:59:10,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:59:10,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,626 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:59:10,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:59:10,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:59:10,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:59:10,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (1/1) ... [2024-11-28 04:59:10,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:10,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:59:10,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:59:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:59:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:59:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:59:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:59:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:59:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:59:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:59:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:59:10,712 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:59:10,809 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:59:10,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:59:11,284 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:59:11,285 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:59:11,309 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:59:11,309 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 04:59:11,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:11 BoogieIcfgContainer [2024-11-28 04:59:11,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:59:11,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:59:11,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:59:11,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:59:11,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:59:10" (1/3) ... [2024-11-28 04:59:11,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24348234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:11, skipping insertion in model container [2024-11-28 04:59:11,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:10" (2/3) ... [2024-11-28 04:59:11,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24348234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:11, skipping insertion in model container [2024-11-28 04:59:11,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:11" (3/3) ... [2024-11-28 04:59:11,325 INFO L128 eAbstractionObserver]: Analyzing ICFG clever.wvr.c [2024-11-28 04:59:11,354 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:59:11,357 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG clever.wvr.c that has 3 procedures, 255 locations, 1 initial locations, 3 loop locations, and 35 error locations. [2024-11-28 04:59:11,357 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:59:11,498 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 04:59:11,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 266 transitions, 546 flow [2024-11-28 04:59:11,718 INFO L124 PetriNetUnfolderBase]: 12/264 cut-off events. [2024-11-28 04:59:11,721 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:59:11,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 264 events. 12/264 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 434 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 204. Up to 2 conditions per place. [2024-11-28 04:59:11,729 INFO L82 GeneralOperation]: Start removeDead. Operand has 261 places, 266 transitions, 546 flow [2024-11-28 04:59:11,736 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 243 places, 247 transitions, 506 flow [2024-11-28 04:59:11,746 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:59:11,760 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;@72db3d9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:59:11,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-11-28 04:59:11,767 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:59:11,768 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-28 04:59:11,768 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:59:11,768 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:11,768 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:11,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:11,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:11,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1829598, now seen corresponding path program 1 times [2024-11-28 04:59:11,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:11,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277466297] [2024-11-28 04:59:11,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:12,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:12,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277466297] [2024-11-28 04:59:12,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277466297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:12,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:12,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:12,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641084152] [2024-11-28 04:59:12,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:12,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:12,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:12,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:12,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:12,125 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-28 04:59:12,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 247 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 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) [2024-11-28 04:59:12,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:12,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-28 04:59:12,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:12,303 INFO L124 PetriNetUnfolderBase]: 13/361 cut-off events. [2024-11-28 04:59:12,304 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 04:59:12,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 361 events. 13/361 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1015 event pairs, 3 based on Foata normal form. 13/306 useless extension candidates. Maximal degree in co-relation 231. Up to 18 conditions per place. [2024-11-28 04:59:12,313 INFO L140 encePairwiseOnDemand]: 258/266 looper letters, 9 selfloop transitions, 2 changer transitions 2/241 dead transitions. [2024-11-28 04:59:12,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 241 transitions, 516 flow [2024-11-28 04:59:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:12,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 755 transitions. [2024-11-28 04:59:12,338 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9461152882205514 [2024-11-28 04:59:12,340 INFO L175 Difference]: Start difference. First operand has 243 places, 247 transitions, 506 flow. Second operand 3 states and 755 transitions. [2024-11-28 04:59:12,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 241 transitions, 516 flow [2024-11-28 04:59:12,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 241 transitions, 508 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:59:12,357 INFO L231 Difference]: Finished difference. Result has 240 places, 239 transitions, 486 flow [2024-11-28 04:59:12,360 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=240, PETRI_TRANSITIONS=239} [2024-11-28 04:59:12,366 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -3 predicate places. [2024-11-28 04:59:12,366 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 239 transitions, 486 flow [2024-11-28 04:59:12,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 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) [2024-11-28 04:59:12,367 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:12,369 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:12,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:59:12,371 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:12,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:12,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1842138249, now seen corresponding path program 1 times [2024-11-28 04:59:12,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:12,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232972867] [2024-11-28 04:59:12,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:12,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:12,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:12,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232972867] [2024-11-28 04:59:12,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232972867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:12,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:12,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:12,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610005271] [2024-11-28 04:59:12,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:12,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:12,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:12,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:12,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:12,516 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 266 [2024-11-28 04:59:12,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 239 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2024-11-28 04:59:12,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:12,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 266 [2024-11-28 04:59:12,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:12,588 INFO L124 PetriNetUnfolderBase]: 10/279 cut-off events. [2024-11-28 04:59:12,589 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-28 04:59:12,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 279 events. 10/279 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 592 event pairs, 3 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 274. Up to 17 conditions per place. [2024-11-28 04:59:12,591 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2024-11-28 04:59:12,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 238 transitions, 508 flow [2024-11-28 04:59:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2024-11-28 04:59:12,599 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9373433583959899 [2024-11-28 04:59:12,599 INFO L175 Difference]: Start difference. First operand has 240 places, 239 transitions, 486 flow. Second operand 3 states and 748 transitions. [2024-11-28 04:59:12,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 238 transitions, 508 flow [2024-11-28 04:59:12,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 238 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:12,609 INFO L231 Difference]: Finished difference. Result has 237 places, 238 transitions, 484 flow [2024-11-28 04:59:12,609 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=237, PETRI_TRANSITIONS=238} [2024-11-28 04:59:12,610 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -6 predicate places. [2024-11-28 04:59:12,610 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 238 transitions, 484 flow [2024-11-28 04:59:12,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2024-11-28 04:59:12,611 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:12,611 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:12,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:59:12,611 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:12,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:12,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1763521095, now seen corresponding path program 1 times [2024-11-28 04:59:12,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:12,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767531509] [2024-11-28 04:59:12,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:12,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:12,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:12,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767531509] [2024-11-28 04:59:12,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767531509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:12,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:12,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:12,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017400618] [2024-11-28 04:59:12,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:12,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:12,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:12,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:12,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:12,803 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 266 [2024-11-28 04:59:12,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 238 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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) [2024-11-28 04:59:12,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:12,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 266 [2024-11-28 04:59:12,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:12,885 INFO L124 PetriNetUnfolderBase]: 11/298 cut-off events. [2024-11-28 04:59:12,885 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:59:12,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 298 events. 11/298 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 696 event pairs, 3 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 292. Up to 22 conditions per place. [2024-11-28 04:59:12,891 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 14 selfloop transitions, 2 changer transitions 0/237 dead transitions. [2024-11-28 04:59:12,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 237 transitions, 514 flow [2024-11-28 04:59:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2024-11-28 04:59:12,896 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9273182957393483 [2024-11-28 04:59:12,896 INFO L175 Difference]: Start difference. First operand has 237 places, 238 transitions, 484 flow. Second operand 3 states and 740 transitions. [2024-11-28 04:59:12,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 237 transitions, 514 flow [2024-11-28 04:59:12,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 237 transitions, 510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:12,904 INFO L231 Difference]: Finished difference. Result has 236 places, 237 transitions, 482 flow [2024-11-28 04:59:12,906 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=236, PETRI_TRANSITIONS=237} [2024-11-28 04:59:12,907 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -7 predicate places. [2024-11-28 04:59:12,908 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 237 transitions, 482 flow [2024-11-28 04:59:12,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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) [2024-11-28 04:59:12,909 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:12,910 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:12,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:59:12,910 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:12,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:12,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1113972820, now seen corresponding path program 1 times [2024-11-28 04:59:12,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:12,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657549145] [2024-11-28 04:59:12,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:13,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:13,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657549145] [2024-11-28 04:59:13,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657549145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:13,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:13,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:13,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426390710] [2024-11-28 04:59:13,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:13,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:13,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:13,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:13,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:13,065 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-28 04:59:13,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 237 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-28 04:59:13,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:13,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-28 04:59:13,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:13,147 INFO L124 PetriNetUnfolderBase]: 10/273 cut-off events. [2024-11-28 04:59:13,148 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-28 04:59:13,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 273 events. 10/273 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 571 event pairs, 3 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 253. Up to 19 conditions per place. [2024-11-28 04:59:13,150 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 11 selfloop transitions, 2 changer transitions 0/236 dead transitions. [2024-11-28 04:59:13,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 236 transitions, 506 flow [2024-11-28 04:59:13,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 746 transitions. [2024-11-28 04:59:13,155 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9348370927318296 [2024-11-28 04:59:13,156 INFO L175 Difference]: Start difference. First operand has 236 places, 237 transitions, 482 flow. Second operand 3 states and 746 transitions. [2024-11-28 04:59:13,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 236 transitions, 506 flow [2024-11-28 04:59:13,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 236 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:13,164 INFO L231 Difference]: Finished difference. Result has 235 places, 236 transitions, 480 flow [2024-11-28 04:59:13,164 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=235, PETRI_TRANSITIONS=236} [2024-11-28 04:59:13,166 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -8 predicate places. [2024-11-28 04:59:13,166 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 236 transitions, 480 flow [2024-11-28 04:59:13,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-28 04:59:13,167 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:13,167 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:13,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:59:13,167 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:13,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:13,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1762218164, now seen corresponding path program 1 times [2024-11-28 04:59:13,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:13,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253933785] [2024-11-28 04:59:13,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:13,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:13,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:13,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253933785] [2024-11-28 04:59:13,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253933785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:13,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:13,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:13,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243196000] [2024-11-28 04:59:13,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:13,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:13,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:13,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:13,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:13,329 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-28 04:59:13,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 236 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-28 04:59:13,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:13,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-28 04:59:13,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:13,427 INFO L124 PetriNetUnfolderBase]: 14/387 cut-off events. [2024-11-28 04:59:13,427 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-28 04:59:13,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 387 events. 14/387 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1035 event pairs, 4 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 364. Up to 20 conditions per place. [2024-11-28 04:59:13,431 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 11 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2024-11-28 04:59:13,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 235 transitions, 504 flow [2024-11-28 04:59:13,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 746 transitions. [2024-11-28 04:59:13,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9348370927318296 [2024-11-28 04:59:13,437 INFO L175 Difference]: Start difference. First operand has 235 places, 236 transitions, 480 flow. Second operand 3 states and 746 transitions. [2024-11-28 04:59:13,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 235 transitions, 504 flow [2024-11-28 04:59:13,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 235 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:13,443 INFO L231 Difference]: Finished difference. Result has 234 places, 235 transitions, 478 flow [2024-11-28 04:59:13,443 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=234, PETRI_TRANSITIONS=235} [2024-11-28 04:59:13,444 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -9 predicate places. [2024-11-28 04:59:13,444 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 235 transitions, 478 flow [2024-11-28 04:59:13,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-28 04:59:13,445 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:13,445 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:13,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:59:13,446 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:13,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1055062209, now seen corresponding path program 1 times [2024-11-28 04:59:13,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:13,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487631248] [2024-11-28 04:59:13,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:13,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:13,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:13,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487631248] [2024-11-28 04:59:13,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487631248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:13,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:13,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:13,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259783474] [2024-11-28 04:59:13,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:13,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:13,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:13,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:13,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:13,603 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-28 04:59:13,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 235 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-28 04:59:13,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:13,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-28 04:59:13,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:13,688 INFO L124 PetriNetUnfolderBase]: 10/310 cut-off events. [2024-11-28 04:59:13,688 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-28 04:59:13,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 310 events. 10/310 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 653 event pairs, 2 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 273. Up to 16 conditions per place. [2024-11-28 04:59:13,694 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 11 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2024-11-28 04:59:13,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 234 transitions, 502 flow [2024-11-28 04:59:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:13,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 746 transitions. [2024-11-28 04:59:13,701 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9348370927318296 [2024-11-28 04:59:13,701 INFO L175 Difference]: Start difference. First operand has 234 places, 235 transitions, 478 flow. Second operand 3 states and 746 transitions. [2024-11-28 04:59:13,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 234 transitions, 502 flow [2024-11-28 04:59:13,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 234 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:13,711 INFO L231 Difference]: Finished difference. Result has 233 places, 234 transitions, 476 flow [2024-11-28 04:59:13,716 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=233, PETRI_TRANSITIONS=234} [2024-11-28 04:59:13,717 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -10 predicate places. [2024-11-28 04:59:13,717 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 234 transitions, 476 flow [2024-11-28 04:59:13,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-28 04:59:13,721 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:13,722 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:13,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:59:13,722 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:13,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:13,723 INFO L85 PathProgramCache]: Analyzing trace with hash -848552881, now seen corresponding path program 1 times [2024-11-28 04:59:13,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:13,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269841928] [2024-11-28 04:59:13,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:13,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:13,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:13,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269841928] [2024-11-28 04:59:13,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269841928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:13,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:13,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:13,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334006531] [2024-11-28 04:59:13,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:13,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:13,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:13,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:13,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:13,868 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-28 04:59:13,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 234 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-28 04:59:13,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:13,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-28 04:59:13,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:13,925 INFO L124 PetriNetUnfolderBase]: 8/237 cut-off events. [2024-11-28 04:59:13,926 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-28 04:59:13,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 237 events. 8/237 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 433 event pairs, 2 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 191. Up to 16 conditions per place. [2024-11-28 04:59:13,928 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 11 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2024-11-28 04:59:13,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 233 transitions, 500 flow [2024-11-28 04:59:13,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 746 transitions. [2024-11-28 04:59:13,932 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9348370927318296 [2024-11-28 04:59:13,932 INFO L175 Difference]: Start difference. First operand has 233 places, 234 transitions, 476 flow. Second operand 3 states and 746 transitions. [2024-11-28 04:59:13,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 233 transitions, 500 flow [2024-11-28 04:59:13,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 233 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:13,938 INFO L231 Difference]: Finished difference. Result has 232 places, 233 transitions, 474 flow [2024-11-28 04:59:13,939 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=232, PETRI_TRANSITIONS=233} [2024-11-28 04:59:13,939 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -11 predicate places. [2024-11-28 04:59:13,940 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 233 transitions, 474 flow [2024-11-28 04:59:13,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-28 04:59:13,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:13,941 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:13,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:59:13,941 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:13,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:13,942 INFO L85 PathProgramCache]: Analyzing trace with hash -951585233, now seen corresponding path program 1 times [2024-11-28 04:59:13,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:13,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998630391] [2024-11-28 04:59:13,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:14,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:14,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998630391] [2024-11-28 04:59:14,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998630391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:14,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:14,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:14,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523085242] [2024-11-28 04:59:14,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:14,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:14,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:14,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:14,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:14,084 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 266 [2024-11-28 04:59:14,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 233 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 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) [2024-11-28 04:59:14,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:14,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 266 [2024-11-28 04:59:14,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:14,163 INFO L124 PetriNetUnfolderBase]: 13/289 cut-off events. [2024-11-28 04:59:14,163 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:59:14,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 289 events. 13/289 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 688 event pairs, 4 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 254. Up to 26 conditions per place. [2024-11-28 04:59:14,166 INFO L140 encePairwiseOnDemand]: 257/266 looper letters, 17 selfloop transitions, 3 changer transitions 0/229 dead transitions. [2024-11-28 04:59:14,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 229 transitions, 507 flow [2024-11-28 04:59:14,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2024-11-28 04:59:14,169 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9160401002506265 [2024-11-28 04:59:14,169 INFO L175 Difference]: Start difference. First operand has 232 places, 233 transitions, 474 flow. Second operand 3 states and 731 transitions. [2024-11-28 04:59:14,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 229 transitions, 507 flow [2024-11-28 04:59:14,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 229 transitions, 503 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:14,176 INFO L231 Difference]: Finished difference. Result has 227 places, 228 transitions, 471 flow [2024-11-28 04:59:14,177 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=471, PETRI_PLACES=227, PETRI_TRANSITIONS=228} [2024-11-28 04:59:14,178 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -16 predicate places. [2024-11-28 04:59:14,179 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 228 transitions, 471 flow [2024-11-28 04:59:14,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 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) [2024-11-28 04:59:14,181 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:14,181 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:14,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:59:14,181 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:14,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:14,182 INFO L85 PathProgramCache]: Analyzing trace with hash 354640217, now seen corresponding path program 1 times [2024-11-28 04:59:14,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:14,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123402366] [2024-11-28 04:59:14,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:14,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:14,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:14,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123402366] [2024-11-28 04:59:14,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123402366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:14,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:14,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:14,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500254155] [2024-11-28 04:59:14,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:14,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:14,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:14,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:14,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:14,282 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-28 04:59:14,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 228 transitions, 471 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-28 04:59:14,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:14,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-28 04:59:14,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:14,344 INFO L124 PetriNetUnfolderBase]: 12/263 cut-off events. [2024-11-28 04:59:14,344 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-28 04:59:14,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 263 events. 12/263 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 574 event pairs, 4 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 211. Up to 20 conditions per place. [2024-11-28 04:59:14,346 INFO L140 encePairwiseOnDemand]: 260/266 looper letters, 11 selfloop transitions, 3 changer transitions 0/227 dead transitions. [2024-11-28 04:59:14,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 227 transitions, 498 flow [2024-11-28 04:59:14,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:14,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:14,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 749 transitions. [2024-11-28 04:59:14,349 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9385964912280702 [2024-11-28 04:59:14,349 INFO L175 Difference]: Start difference. First operand has 227 places, 228 transitions, 471 flow. Second operand 3 states and 749 transitions. [2024-11-28 04:59:14,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 227 transitions, 498 flow [2024-11-28 04:59:14,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 227 transitions, 495 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:59:14,355 INFO L231 Difference]: Finished difference. Result has 226 places, 226 transitions, 475 flow [2024-11-28 04:59:14,355 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=475, PETRI_PLACES=226, PETRI_TRANSITIONS=226} [2024-11-28 04:59:14,356 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -17 predicate places. [2024-11-28 04:59:14,356 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 226 transitions, 475 flow [2024-11-28 04:59:14,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-28 04:59:14,357 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:14,357 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:14,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:59:14,357 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:14,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:14,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1022056147, now seen corresponding path program 1 times [2024-11-28 04:59:14,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:14,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716404610] [2024-11-28 04:59:14,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:14,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:14,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:14,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716404610] [2024-11-28 04:59:14,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716404610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:14,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:14,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:14,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914043982] [2024-11-28 04:59:14,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:14,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:14,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:14,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:14,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:14,479 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-28 04:59:14,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 226 transitions, 475 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-28 04:59:14,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:14,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-28 04:59:14,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:14,572 INFO L124 PetriNetUnfolderBase]: 16/385 cut-off events. [2024-11-28 04:59:14,572 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-11-28 04:59:14,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 385 events. 16/385 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1124 event pairs, 1 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 333. Up to 17 conditions per place. [2024-11-28 04:59:14,575 INFO L140 encePairwiseOnDemand]: 259/266 looper letters, 14 selfloop transitions, 4 changer transitions 0/229 dead transitions. [2024-11-28 04:59:14,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 229 transitions, 521 flow [2024-11-28 04:59:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:14,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-28 04:59:14,577 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.943609022556391 [2024-11-28 04:59:14,577 INFO L175 Difference]: Start difference. First operand has 226 places, 226 transitions, 475 flow. Second operand 3 states and 753 transitions. [2024-11-28 04:59:14,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 229 transitions, 521 flow [2024-11-28 04:59:14,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 229 transitions, 518 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:59:14,585 INFO L231 Difference]: Finished difference. Result has 225 places, 225 transitions, 486 flow [2024-11-28 04:59:14,586 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=225, PETRI_TRANSITIONS=225} [2024-11-28 04:59:14,586 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -18 predicate places. [2024-11-28 04:59:14,586 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 225 transitions, 486 flow [2024-11-28 04:59:14,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-28 04:59:14,587 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:14,587 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:14,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:59:14,587 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:14,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:14,588 INFO L85 PathProgramCache]: Analyzing trace with hash -792329613, now seen corresponding path program 1 times [2024-11-28 04:59:14,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:14,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667190506] [2024-11-28 04:59:14,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:14,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:14,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:14,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667190506] [2024-11-28 04:59:14,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667190506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:14,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:14,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:14,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258747468] [2024-11-28 04:59:14,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:14,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:14,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:14,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:14,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:14,711 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-28 04:59:14,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 225 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-28 04:59:14,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:14,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-28 04:59:14,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:14,860 INFO L124 PetriNetUnfolderBase]: 27/553 cut-off events. [2024-11-28 04:59:14,860 INFO L125 PetriNetUnfolderBase]: For 12/16 co-relation queries the response was YES. [2024-11-28 04:59:14,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 553 events. 27/553 cut-off events. For 12/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2645 event pairs, 2 based on Foata normal form. 1/493 useless extension candidates. Maximal degree in co-relation 407. Up to 30 conditions per place. [2024-11-28 04:59:14,865 INFO L140 encePairwiseOnDemand]: 259/266 looper letters, 10 selfloop transitions, 3 changer transitions 7/228 dead transitions. [2024-11-28 04:59:14,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 228 transitions, 530 flow [2024-11-28 04:59:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2024-11-28 04:59:14,869 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9423558897243107 [2024-11-28 04:59:14,869 INFO L175 Difference]: Start difference. First operand has 225 places, 225 transitions, 486 flow. Second operand 3 states and 752 transitions. [2024-11-28 04:59:14,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 228 transitions, 530 flow [2024-11-28 04:59:14,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 228 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:59:14,878 INFO L231 Difference]: Finished difference. Result has 224 places, 218 transitions, 474 flow [2024-11-28 04:59:14,879 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=224, PETRI_TRANSITIONS=218} [2024-11-28 04:59:14,880 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -19 predicate places. [2024-11-28 04:59:14,880 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 218 transitions, 474 flow [2024-11-28 04:59:14,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-28 04:59:14,881 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:14,881 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:14,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:59:14,882 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:14,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:14,883 INFO L85 PathProgramCache]: Analyzing trace with hash -949618513, now seen corresponding path program 1 times [2024-11-28 04:59:14,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:14,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378079431] [2024-11-28 04:59:14,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:14,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:14,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:14,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378079431] [2024-11-28 04:59:14,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378079431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:14,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:14,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:14,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170361224] [2024-11-28 04:59:14,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:14,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:14,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:14,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:14,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:14,998 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 266 [2024-11-28 04:59:15,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 218 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 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) [2024-11-28 04:59:15,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:15,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 266 [2024-11-28 04:59:15,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:15,146 INFO L124 PetriNetUnfolderBase]: 66/1009 cut-off events. [2024-11-28 04:59:15,146 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-11-28 04:59:15,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1222 conditions, 1009 events. 66/1009 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5989 event pairs, 20 based on Foata normal form. 0/877 useless extension candidates. Maximal degree in co-relation 658. Up to 92 conditions per place. [2024-11-28 04:59:15,152 INFO L140 encePairwiseOnDemand]: 262/266 looper letters, 9 selfloop transitions, 1 changer transitions 0/215 dead transitions. [2024-11-28 04:59:15,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 215 transitions, 488 flow [2024-11-28 04:59:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2024-11-28 04:59:15,155 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9373433583959899 [2024-11-28 04:59:15,155 INFO L175 Difference]: Start difference. First operand has 224 places, 218 transitions, 474 flow. Second operand 3 states and 748 transitions. [2024-11-28 04:59:15,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 215 transitions, 488 flow [2024-11-28 04:59:15,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 215 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:59:15,161 INFO L231 Difference]: Finished difference. Result has 218 places, 215 transitions, 467 flow [2024-11-28 04:59:15,162 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=218, PETRI_TRANSITIONS=215} [2024-11-28 04:59:15,162 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -25 predicate places. [2024-11-28 04:59:15,164 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 215 transitions, 467 flow [2024-11-28 04:59:15,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 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) [2024-11-28 04:59:15,165 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:15,165 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:15,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:59:15,165 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:15,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:15,166 INFO L85 PathProgramCache]: Analyzing trace with hash -9162038, now seen corresponding path program 1 times [2024-11-28 04:59:15,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:15,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503918045] [2024-11-28 04:59:15,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:15,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:15,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:15,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503918045] [2024-11-28 04:59:15,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503918045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:15,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:15,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:15,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649262882] [2024-11-28 04:59:15,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:15,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:15,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:15,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:15,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:15,258 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 266 [2024-11-28 04:59:15,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 215 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2024-11-28 04:59:15,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:15,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 266 [2024-11-28 04:59:15,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:15,415 INFO L124 PetriNetUnfolderBase]: 80/1099 cut-off events. [2024-11-28 04:59:15,416 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-28 04:59:15,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 1099 events. 80/1099 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 7311 event pairs, 16 based on Foata normal form. 0/974 useless extension candidates. Maximal degree in co-relation 636. Up to 108 conditions per place. [2024-11-28 04:59:15,423 INFO L140 encePairwiseOnDemand]: 262/266 looper letters, 9 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2024-11-28 04:59:15,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 216 transitions, 492 flow [2024-11-28 04:59:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2024-11-28 04:59:15,425 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9486215538847118 [2024-11-28 04:59:15,426 INFO L175 Difference]: Start difference. First operand has 218 places, 215 transitions, 467 flow. Second operand 3 states and 757 transitions. [2024-11-28 04:59:15,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 216 transitions, 492 flow [2024-11-28 04:59:15,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 216 transitions, 491 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:59:15,430 INFO L231 Difference]: Finished difference. Result has 218 places, 215 transitions, 476 flow [2024-11-28 04:59:15,431 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=218, PETRI_TRANSITIONS=215} [2024-11-28 04:59:15,432 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -25 predicate places. [2024-11-28 04:59:15,432 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 215 transitions, 476 flow [2024-11-28 04:59:15,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2024-11-28 04:59:15,433 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:15,433 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:15,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:59:15,434 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:15,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:15,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1466971879, now seen corresponding path program 1 times [2024-11-28 04:59:15,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:15,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339649779] [2024-11-28 04:59:15,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:15,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:15,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:15,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339649779] [2024-11-28 04:59:15,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339649779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:15,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:15,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:15,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233173861] [2024-11-28 04:59:15,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:15,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:15,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:15,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:15,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:15,520 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-28 04:59:15,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 215 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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) [2024-11-28 04:59:15,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:15,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-28 04:59:15,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:15,645 INFO L124 PetriNetUnfolderBase]: 72/875 cut-off events. [2024-11-28 04:59:15,645 INFO L125 PetriNetUnfolderBase]: For 8/12 co-relation queries the response was YES. [2024-11-28 04:59:15,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 875 events. 72/875 cut-off events. For 8/12 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5212 event pairs, 16 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 740. Up to 70 conditions per place. [2024-11-28 04:59:15,651 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2024-11-28 04:59:15,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 215 transitions, 501 flow [2024-11-28 04:59:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-28 04:59:15,654 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411027568922306 [2024-11-28 04:59:15,654 INFO L175 Difference]: Start difference. First operand has 218 places, 215 transitions, 476 flow. Second operand 3 states and 751 transitions. [2024-11-28 04:59:15,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 215 transitions, 501 flow [2024-11-28 04:59:15,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 215 transitions, 501 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:59:15,658 INFO L231 Difference]: Finished difference. Result has 219 places, 214 transitions, 478 flow [2024-11-28 04:59:15,659 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=219, PETRI_TRANSITIONS=214} [2024-11-28 04:59:15,661 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -24 predicate places. [2024-11-28 04:59:15,661 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 214 transitions, 478 flow [2024-11-28 04:59:15,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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) [2024-11-28 04:59:15,662 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:15,662 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:15,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:59:15,663 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:15,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:15,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1267635153, now seen corresponding path program 1 times [2024-11-28 04:59:15,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:15,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504995174] [2024-11-28 04:59:15,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:15,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:15,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:15,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504995174] [2024-11-28 04:59:15,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504995174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:15,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:15,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:15,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115656319] [2024-11-28 04:59:15,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:15,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:15,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:15,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:15,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:15,750 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-28 04:59:15,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 214 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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) [2024-11-28 04:59:15,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:15,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-28 04:59:15,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:15,921 INFO L124 PetriNetUnfolderBase]: 62/985 cut-off events. [2024-11-28 04:59:15,921 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-11-28 04:59:15,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1266 conditions, 985 events. 62/985 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5826 event pairs, 10 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 744. Up to 44 conditions per place. [2024-11-28 04:59:15,926 INFO L140 encePairwiseOnDemand]: 261/266 looper letters, 10 selfloop transitions, 3 changer transitions 0/215 dead transitions. [2024-11-28 04:59:15,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 215 transitions, 510 flow [2024-11-28 04:59:15,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:15,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-28 04:59:15,929 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.943609022556391 [2024-11-28 04:59:15,929 INFO L175 Difference]: Start difference. First operand has 219 places, 214 transitions, 478 flow. Second operand 3 states and 753 transitions. [2024-11-28 04:59:15,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 215 transitions, 510 flow [2024-11-28 04:59:15,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 215 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:15,935 INFO L231 Difference]: Finished difference. Result has 218 places, 213 transitions, 483 flow [2024-11-28 04:59:15,936 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=483, PETRI_PLACES=218, PETRI_TRANSITIONS=213} [2024-11-28 04:59:15,937 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -25 predicate places. [2024-11-28 04:59:15,937 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 213 transitions, 483 flow [2024-11-28 04:59:15,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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) [2024-11-28 04:59:15,938 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:15,938 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:15,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:59:15,938 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:15,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:15,939 INFO L85 PathProgramCache]: Analyzing trace with hash -181473262, now seen corresponding path program 1 times [2024-11-28 04:59:15,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:15,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946993483] [2024-11-28 04:59:15,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:15,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:16,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:16,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946993483] [2024-11-28 04:59:16,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946993483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:16,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:16,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:16,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062347514] [2024-11-28 04:59:16,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:16,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:16,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:16,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:16,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:16,046 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-28 04:59:16,047 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 213 transitions, 483 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2024-11-28 04:59:16,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:16,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-28 04:59:16,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:16,161 INFO L124 PetriNetUnfolderBase]: 60/811 cut-off events. [2024-11-28 04:59:16,161 INFO L125 PetriNetUnfolderBase]: For 60/68 co-relation queries the response was YES. [2024-11-28 04:59:16,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 811 events. 60/811 cut-off events. For 60/68 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4054 event pairs, 16 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 669. Up to 76 conditions per place. [2024-11-28 04:59:16,165 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 0/213 dead transitions. [2024-11-28 04:59:16,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 213 transitions, 508 flow [2024-11-28 04:59:16,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2024-11-28 04:59:16,168 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9398496240601504 [2024-11-28 04:59:16,168 INFO L175 Difference]: Start difference. First operand has 218 places, 213 transitions, 483 flow. Second operand 3 states and 750 transitions. [2024-11-28 04:59:16,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 213 transitions, 508 flow [2024-11-28 04:59:16,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 213 transitions, 505 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:59:16,172 INFO L231 Difference]: Finished difference. Result has 218 places, 212 transitions, 482 flow [2024-11-28 04:59:16,173 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=218, PETRI_TRANSITIONS=212} [2024-11-28 04:59:16,174 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -25 predicate places. [2024-11-28 04:59:16,174 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 212 transitions, 482 flow [2024-11-28 04:59:16,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2024-11-28 04:59:16,175 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:16,175 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:16,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:59:16,175 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:16,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:16,176 INFO L85 PathProgramCache]: Analyzing trace with hash -37183886, now seen corresponding path program 1 times [2024-11-28 04:59:16,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:16,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855405680] [2024-11-28 04:59:16,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:16,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:16,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:16,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855405680] [2024-11-28 04:59:16,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855405680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:16,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:16,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:16,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043718757] [2024-11-28 04:59:16,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:16,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:16,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:16,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:16,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:16,290 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 266 [2024-11-28 04:59:16,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 212 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 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) [2024-11-28 04:59:16,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:16,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 266 [2024-11-28 04:59:16,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:16,412 INFO L124 PetriNetUnfolderBase]: 68/905 cut-off events. [2024-11-28 04:59:16,412 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-28 04:59:16,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1232 conditions, 905 events. 68/905 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5097 event pairs, 24 based on Foata normal form. 0/840 useless extension candidates. Maximal degree in co-relation 1091. Up to 86 conditions per place. [2024-11-28 04:59:16,417 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 14 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-28 04:59:16,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 212 transitions, 515 flow [2024-11-28 04:59:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 745 transitions. [2024-11-28 04:59:16,419 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9335839598997494 [2024-11-28 04:59:16,419 INFO L175 Difference]: Start difference. First operand has 218 places, 212 transitions, 482 flow. Second operand 3 states and 745 transitions. [2024-11-28 04:59:16,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 212 transitions, 515 flow [2024-11-28 04:59:16,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 212 transitions, 511 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:16,423 INFO L231 Difference]: Finished difference. Result has 217 places, 211 transitions, 480 flow [2024-11-28 04:59:16,423 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=217, PETRI_TRANSITIONS=211} [2024-11-28 04:59:16,424 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -26 predicate places. [2024-11-28 04:59:16,424 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 211 transitions, 480 flow [2024-11-28 04:59:16,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 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) [2024-11-28 04:59:16,424 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:16,425 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:16,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:59:16,425 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:16,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:16,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1523543006, now seen corresponding path program 1 times [2024-11-28 04:59:16,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:16,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967479419] [2024-11-28 04:59:16,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:16,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:16,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:16,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967479419] [2024-11-28 04:59:16,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967479419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:16,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:16,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:16,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952801388] [2024-11-28 04:59:16,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:16,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:16,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:16,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:16,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:16,500 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-28 04:59:16,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 211 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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) [2024-11-28 04:59:16,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:16,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-28 04:59:16,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:16,619 INFO L124 PetriNetUnfolderBase]: 58/871 cut-off events. [2024-11-28 04:59:16,619 INFO L125 PetriNetUnfolderBase]: For 29/37 co-relation queries the response was YES. [2024-11-28 04:59:16,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1125 conditions, 871 events. 58/871 cut-off events. For 29/37 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4566 event pairs, 10 based on Foata normal form. 0/810 useless extension candidates. Maximal degree in co-relation 872. Up to 45 conditions per place. [2024-11-28 04:59:16,624 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2024-11-28 04:59:16,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 211 transitions, 505 flow [2024-11-28 04:59:16,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2024-11-28 04:59:16,626 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9398496240601504 [2024-11-28 04:59:16,626 INFO L175 Difference]: Start difference. First operand has 217 places, 211 transitions, 480 flow. Second operand 3 states and 750 transitions. [2024-11-28 04:59:16,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 211 transitions, 505 flow [2024-11-28 04:59:16,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 211 transitions, 501 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:16,630 INFO L231 Difference]: Finished difference. Result has 216 places, 210 transitions, 478 flow [2024-11-28 04:59:16,630 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=216, PETRI_TRANSITIONS=210} [2024-11-28 04:59:16,631 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -27 predicate places. [2024-11-28 04:59:16,631 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 210 transitions, 478 flow [2024-11-28 04:59:16,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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) [2024-11-28 04:59:16,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:16,632 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:16,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:59:16,632 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:16,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:16,632 INFO L85 PathProgramCache]: Analyzing trace with hash 556419575, now seen corresponding path program 1 times [2024-11-28 04:59:16,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:16,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169767797] [2024-11-28 04:59:16,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:16,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:16,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:16,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169767797] [2024-11-28 04:59:16,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169767797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:16,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:16,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:16,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412713663] [2024-11-28 04:59:16,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:16,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:16,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:16,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:16,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:16,709 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-28 04:59:16,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 210 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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) [2024-11-28 04:59:16,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:16,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-28 04:59:16,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:16,847 INFO L124 PetriNetUnfolderBase]: 72/847 cut-off events. [2024-11-28 04:59:16,848 INFO L125 PetriNetUnfolderBase]: For 55/63 co-relation queries the response was YES. [2024-11-28 04:59:16,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1143 conditions, 847 events. 72/847 cut-off events. For 55/63 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4553 event pairs, 24 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1098. Up to 95 conditions per place. [2024-11-28 04:59:16,851 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 1/210 dead transitions. [2024-11-28 04:59:16,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 210 transitions, 505 flow [2024-11-28 04:59:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-28 04:59:16,855 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411027568922306 [2024-11-28 04:59:16,855 INFO L175 Difference]: Start difference. First operand has 216 places, 210 transitions, 478 flow. Second operand 3 states and 751 transitions. [2024-11-28 04:59:16,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 210 transitions, 505 flow [2024-11-28 04:59:16,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 210 transitions, 501 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:16,859 INFO L231 Difference]: Finished difference. Result has 215 places, 209 transitions, 476 flow [2024-11-28 04:59:16,860 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=215, PETRI_TRANSITIONS=209} [2024-11-28 04:59:16,861 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -28 predicate places. [2024-11-28 04:59:16,861 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 209 transitions, 476 flow [2024-11-28 04:59:16,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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) [2024-11-28 04:59:16,862 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:59:16,862 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:16,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:59:16,862 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-28 04:59:16,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:16,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1940662310, now seen corresponding path program 1 times [2024-11-28 04:59:16,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:16,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369106513] [2024-11-28 04:59:16,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:16,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:16,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:16,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:16,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369106513] [2024-11-28 04:59:16,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369106513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:16,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:16,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:16,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941215208] [2024-11-28 04:59:16,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:16,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:16,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:16,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:16,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:16,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-28 04:59:16,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 209 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 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) [2024-11-28 04:59:16,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:59:16,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-28 04:59:16,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:59:17,099 INFO L124 PetriNetUnfolderBase]: 66/963 cut-off events. [2024-11-28 04:59:17,099 INFO L125 PetriNetUnfolderBase]: For 46/54 co-relation queries the response was YES. [2024-11-28 04:59:17,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1286 conditions, 963 events. 66/963 cut-off events. For 46/54 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5659 event pairs, 16 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 1151. Up to 68 conditions per place. [2024-11-28 04:59:17,103 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2024-11-28 04:59:17,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 209 transitions, 503 flow [2024-11-28 04:59:17,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:17,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:59:17,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-28 04:59:17,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411027568922306 [2024-11-28 04:59:17,105 INFO L175 Difference]: Start difference. First operand has 215 places, 209 transitions, 476 flow. Second operand 3 states and 751 transitions. [2024-11-28 04:59:17,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 209 transitions, 503 flow [2024-11-28 04:59:17,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 209 transitions, 499 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:59:17,108 INFO L231 Difference]: Finished difference. Result has 214 places, 0 transitions, 0 flow [2024-11-28 04:59:17,109 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=214, PETRI_TRANSITIONS=0} [2024-11-28 04:59:17,109 INFO L279 CegarLoopForPetriNet]: 243 programPoint places, -29 predicate places. [2024-11-28 04:59:17,109 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 0 transitions, 0 flow [2024-11-28 04:59:17,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 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) [2024-11-28 04:59:17,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (54 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining) [2024-11-28 04:59:17,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining) [2024-11-28 04:59:17,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (25 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (24 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (23 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (21 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (20 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 55 remaining) [2024-11-28 04:59:17,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 55 remaining) [2024-11-28 04:59:17,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining) [2024-11-28 04:59:17,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining) [2024-11-28 04:59:17,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining) [2024-11-28 04:59:17,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining) [2024-11-28 04:59:17,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining) [2024-11-28 04:59:17,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining) [2024-11-28 04:59:17,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining) [2024-11-28 04:59:17,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining) [2024-11-28 04:59:17,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 04:59:17,120 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:17,126 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:59:17,126 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:59:17,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:59:17 BasicIcfg [2024-11-28 04:59:17,136 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:59:17,136 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:59:17,136 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:59:17,137 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:59:17,137 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:11" (3/4) ... [2024-11-28 04:59:17,139 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:59:17,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 04:59:17,143 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 04:59:17,148 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-28 04:59:17,148 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:59:17,149 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:59:17,149 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:59:17,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:59:17,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:59:17,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:59:17,244 INFO L158 Benchmark]: Toolchain (without parser) took 6945.40ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.3MB in the beginning and 256.5MB in the end (delta: -162.2MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-11-28 04:59:17,246 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:17,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.73ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 82.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:59:17,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.22ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:17,247 INFO L158 Benchmark]: Boogie Preprocessor took 26.34ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:17,247 INFO L158 Benchmark]: RCFGBuilder took 673.41ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 59.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:59:17,247 INFO L158 Benchmark]: TraceAbstraction took 5822.81ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 59.2MB in the beginning and 261.3MB in the end (delta: -202.1MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-28 04:59:17,248 INFO L158 Benchmark]: Witness Printer took 107.00ms. Allocated memory is still 352.3MB. Free memory was 261.3MB in the beginning and 256.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:59:17,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.73ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 82.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.22ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.34ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 673.41ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 59.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5822.81ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 59.2MB in the beginning and 261.3MB in the end (delta: -202.1MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 107.00ms. Allocated memory is still 352.3MB. Free memory was 261.3MB in the beginning and 256.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 72]: 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: 72]: 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: 72]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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 5 procedures, 348 locations, 55 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: 5.6s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 640 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 610 IncrementalHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 82 mSDtfsCounter, 610 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=506occurred in iteration=0, InterpolantAutomatonStates: 60, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1700 NumberOfCodeBlocks, 1700 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1680 ConstructedInterpolants, 0 QuantifiedInterpolants, 1720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:59:17,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3906bcf-f3ce-4aa3-ac97-53fb1ded7000/bin/uautomizer-verify-aQ6SnzHsRB/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